Cause Directory: O
- Olsok Ingimund Project
- Olti Llapashtica - University of Warwick
- Olton & West Warwickshire Cricket Club
- Olton Ravens Colts
- Olton Ravens Ladies FC
- Olton Ravens Men’s A
- Olton Ravens U8s
- Olton Ravens Youth FC
- Olton and West Warwickshire Hockey Club
- Oluchi Okoli - 2021
- Oluchi's Postgrad Savings
- Olufikayo Soyinka 2021
- Olumide Akinbiyi - First Year
- Oluwadarasimi Adegbembo
- Oluwaseun Eniola Adenuga
- Oluwashina
- Oluwatobi Benson
- Olveston And District Bowling Club
- Olveston Bowls
- Olveston Ladies Football Club
- Olveston Pre-School - Bristol
- Olveston Young Farmers Club
- Olwen Conry Cambodia
- Olwyn Foundation
- Olympia Beach Handball
- Olympia Gymnastics Club
- Olympia Handball Club - London
- Olympia Infinity FC
- Olympic Fencing for Inner City Bristol
- Olympic Selections Canoe Slalom Athlete racing - Alistair McCreery
- Olympics 2020 - Ashley Mathias
- Olympics 2020 Sprint Kayaking - Simon Williams
- Olympics Rio 2016 - Masai Zebechaka
- Olympics Selection 2020 - Sophie Cook
- Olympus Girls Club
- Olympus Gymnastics Club
- Omagh County Primary School
- Omagh Integrated Primary & Nursery School Parents Council -, Ballynahatty Road
- Omagh Integrated Primary School Breakfast Club
- Omagh Men's Shed
- Omagh Riding for Disabled Group
- Omagh Rugby Club
- Omagh north nursery school
- Omaleshe Projects Trust
- Oman Trek 2017 For Coppafeel - Tanya Roda
- Omane Foundation
- Omar's Fund
- Omar's Tuition Fee
- Omaya's Savings
- Ombersley Endowed First School
- Ombersley Young Farmers Club
- Omega Netball (Herts)
- Omega Research Foundation
- Omega Roofing Plastics
- Omega… Ending Isolation | Ending Loneliness
- Omens Charity
- Omer’s Uni Fund
- Ominicci
- OmniMusic
- Omnific Creative CIC
- Omnis CiC - We Know Everyone Can Play
- Omolara Lawrence
- Omorfia Interior Design Ltd for IMPAKT Housing & Support
- Omotunde B. Akinola - 2021
- On Call Africa
- On Course Foundation
- On My Side
- On Pointe Dance Academy
- On The Edge Fusion Youth Orchestra
- On The Verge
- On Track Fishing
- On Your Bike Recycle Ltd
- On the Run
- On the tip of my tongue - living with Aphasia
- OnPole
- OnStage Academy NYC Trip
- OnThisROC Blind Climbing Club
- OnTrak Community Initiative
- Once Loved Dog Rescue
- Once Upon A Time Childcare Ltd.
- Once Upon A Time Day Nursery - Llanelli
- Once Upon a Smile
- Once a Month
- Once in a lifetime - Costa Rica 2026 - Emilee
- Onchan AFC
- Onchan District Explorer Scouts
- Onchan Entertainers
- Onchan Methodist Church
- Onchan Silver Band
- Oncogene Cancer Research
- One & All Cycling
- One 2 One You Matter
- One Acchord Ladies A Cappella Chorus
- One And All Aid
- One Autism
- One Bag at a Time
- One Big Family - helping the homeless
- One Big Step for Daniel
- One Bristol Curriculum
- One Bun At A Time
- One By One
- One Can Trust
- One Cause
- One Church Brighton
- One Church Food Bank
- One Community - Kirklees
- One Community Development Trust
- One Community Eastleigh
- One Community Organisation
- One Dance UK
- One Day at a Time
- One Degree
- One Degree Academy
- One Dog at a Time
- One Every Hour - dog rescue
- One Family Health
- One Family UK
- One For The Girls
- One For The Lads Mens Mental Health Group - Scunthorpe
- One For The Team CIC
- One Fylde
- One Heart - Levechod
- One Heart Ministries
- One Home Church
- One In A Million Free School
- One Kegworth
- One Kind Act
- One Life Autism Support Group
- One Mile Away
- One Million Mentors
- One Million Words Asia Literacy Organization
- One Mind Martial Arts
- One More Life
- One North East London
- One Norwich Elim Church
- One Ocean Crew
- One Of A Kind - Kind Hearted
- One Parish Telford
- One Paw At A Time Dog Rescue
- One Paw Cat Rescue
- One Pencil One Smile
- One People Productions
- One Place East
- One Pound Warriors
- One Project Macclesfield
- One Punch Hull
- One Punch UK
- One Rehearsal Productions
- One Revolution Initiative CIC
- One Roof Leicester
- One Step Ahead Dance School
- One Step Ahead Dance Studio - Eston
- One Step Counselling and Therapies C.I.C
- One Step Rhythmic Gymnastics Club
- One Step at a Time
- One Step to Haven
- One Stop Advice
- One Support - Resettling Londons Rough Sleepers
- One To One Project
- One Touch Football
- One Touch Youth Football
- One Tournament Spain - Bilbrook Junior Warriors U14
- One Trust
- One Unite Partnership
- One Vision
- One Voice Community Choir - Chorley
- One Walk JDRF For Juvenile Diabetes Type One - Sian Griffiths
- One Way Jesus Ministries
- One Way K DanceLab
- One Woman At A Time
- One World Actors Productions (Animal Rescues)
- One World Centre - Isle of Man
- One World Education Trust
- One World Events
- One World Link
- One World Together
- One YMCA
- One and All AFA CIC
- One and All Judo Club
- One by One ....until there are none
- One for All and The Lanivet Parish Sports And Recreational Trust
- One in Four (UK)
- One in a Million
- One in a Million, Bradford
- One to One - North West Surrey
- One to One Development Trust
- One tree One citizen
- One world group
- One-Drum Foundation
- One-Eighty Childrens Charity
- One-to-One-Enfield
- One25
- One4All Community Youth Centre
- OneBodyOneFaith
- OneKind
- OnePlusOne Marriage and Partnership Research
- OneRichmond
- OneSpace Community Centre
- OneUmmahAid
- Onebomb Boxing
- Onecom
- Onehouse Toddler Group - Stowmarket
- Onelife Leadership
- OneloveUnited FC
- Onepaw at a time UK, Romania and China - Janet Sanders
- Onestep
- Onevision
- Ong Africa Association
- Ongar Academy PTA
- Ongar Jubilee FC
- Ongar Juniors FC
- Ongar Place PTFA
- Ongar Place School, Addlestone
- Ongar Ranger Unit
- Ongar United Reformed Church
- Ongar Young Farmers Club
- Ongoing Support
- Oni’s Uni Funding
- Onley Grounds Riding for Disabled group incorporating Carriage Driving
- Online Debt Counseling
- Only Cowards Carry
- Only Foals and Horses Sanctuary
- Only Kids Aloud 2014 - Beth Bradfield
- Only Kids Aloud South Africa Trip 2014 - Owen Parsons
- Only Kids Aloud Trip to South Africa 2014 - Zoe Mules
- Only Kids Aloud trip to South Africa - Declan Ford
- Only TNR (Trap Neuter Release)
- Only TNR FIP treatments
- Only Youth Productions
- Onny Valley over 60 social club
- Onside Independent Advocacy
- Onside Soccer
- Onsite Building Trust
- Onslow FC
- Onslow Infant School - Onslow Village
- Onslow Road Community Centre
- Onslow St Audrey's - Uganda Trip
- Onthank Primary Parent Council, Kilmarnock
- Ontrack Music Services
- Onward United FC
- Oor Club
- Oor Space Youthy
- Op Kernow
- Op Spartan
- Op Walls South Africa Expedition - Evan Hayes
- Op wall Indonesia trip Sophie Larner
- OpWall Expedition Honduras - Babs Khan
- OpWall Transylvania Expedition 2016 - Helen Davison
- Opal22 Arts And Edutainment
- Opas Jimmy-Kay Trust Community Support
- Open Academy - Norwich
- Open Adult Counselling Service
- Open Age
- Open Arms Childcare
- Open Arms Community Support
- Open Arms Homes
- Open Arms International
- Open Arms International UK
- Open Arms Malawi
- Open Arms Organisation CIC
- Open Arms Parrot Rescue
- Open Arts Community Choir
- Open Arts Essex
- Open City
- Open Clasp Theatre Company
- Open Community Innovation Ltd
- Open Country
- Open DofE Centres in West Sussex
- Open Door - Open A Door Change A Life
- Open Door Charity
- Open Door Church Sunbury
- Open Door Exmouth
- Open Door Friendship Group
- Open Door MK
- Open Door North East
- Open Door People
- Open Door St Albans
- Open Door Youth Counselling Ltd
- Open Doors Project (Hull)
- Open Ealing
- Open Episcopal Church
- Open Hands
- Open Hands Community Transport
- Open Hands Trust (Leicester)
- Open Harmony CIC
- Open Homes
- Open House Community Group CIC
- Open House Nottingham
- Open House Youth CIC
- Open Kitchen Chorley URC
- Open Library
- Open Minds - Nottingham
- Open Minds Counselling Service
- Open Minds Youth for Change CIC
- Open Partners Charity of the Year
- Open Rights Group
- Open Road
- Open Road West Norfolk
- Open Secret
- Open Sight
- Open Source Arts - Leeds
- Open Spaces Society
- Open Story Tellers
- Open Table Network
- Open The Vault
- Open Theatre's Being Tommy Cooper - Charlotte Ranson
- Open To Change Essex - Brentwood
- Open University 2017- Monica Jarzynka
- Open Water Elite Swimming - Rebecca Flisher
- Open Youth Trust
- OpenMH Community
- OpenUp Music
- OpenWORD
- Opening Doors - London
- Opening Doors - Norwich
- Opening Doors For The Community - Biggleswade
- Opening Your Heart to Bhutan
- Openshaw Rangers Football Club
- Openwoodgate Preschool
- Openwork United
- Opera Bohemia
- Opera Boots - Powys
- Opera Foundry
- Opera Holloway
- Opera Integra
- Opera Lyrica
- Opera Nova
- Opera Seria
- Opera Sunderland
- Opera Training 2019 - Toby Cooper
- Opera Unmasked
- Opera Viva Merseyside
- Opera Worcester
- Opera de Bauge
- Opera on Location
- Operaction Wallacea 2016 - Beth McKinnon
- Operating Theatre Company
- Operation Wallacea Guyana 2020 - Jack Oetting
- Operation Wallacea- Sienna Tompkins
- Operation - Lucy Shedden
- Operation AJ The Appeal
- Operation Bethel NTCG Harrow
- Operation Bobbi Bear South Africa 2020 - Emily Warren
- Operation Braveheart
- Operation Christmas Child (Manchester)
- Operation Christmas Child - Suffolk
- Operation Christmas Child Shoebox Appeal - Chorley Mission
- Operation Christmas Hamper
- Operation Community Hamper CIO
- Operation Costa Rica 2024 Eleanor Murray
- Operation Emotion
- Operation Explore - Abbie Walsh
- Operation Florence Emergency Medical Rescue CIO
- Operation Florian
- Operation For My Dog - Leanda Hawkins
- Operation Jakob
- Operation Kindle Ltd
- Operation Lucas Lion - Chris Neville
- Operation Mobilisation UK - Oswestry, Shropshire
- Operation Oliver
- Operation Open Eyes
- Operation Oradea 2017
- Operation Orphan
- Operation Paititi
- Operation Paraguay 2015 - Jon Bowyer
- Operation Playground - Finmere
- Operation Raleigh 2021 - Finn Coates
- Operation Restoration School Jamaica 2014 - Andre Thomas
- Operation Romania Trust
- Operation Smile
- Operation Waggy Tails
- Operation Walacea Dominica 2018 - Hannah Palmer
- Operation Walacea Indonesia 2017 - Nicole Lever
- Operation Walacea Tanzania 2018 - Kodi Smiles
- Operation Wallace - Emmanuel Omoruyi
- Operation Wallace - Madagascar 2025 - Emily Gurney
- Operation Wallace Dominica 2021 - Jack Callard
- Operation Wallace Honduras 2022 - Lili Stiff
- Operation Wallace Honduras 2019 - Izzy McMeeking
- Operation Wallace Indonesia 2017 - Sophie James
- Operation Wallace Indonesia 2018 - Daisy Emerton
- Operation Wallace Indonesia 2018 - Marthje Schueler
- Operation Wallace Mexico 2024 - Arta Albashir
- Operation Wallace Mexico 2025 - Bailey Saunders
- Operation Wallace Mexico July 2025 Ellie Marples
- Operation Wallace South Africa 2022 - Heather Nicholson
- Operation Wallace Tanzania 2019 - Mark Widders
- Operation Wallace Transylvania 2021 - Lucie Bloomfield
- Operation Wallace Transylvania 2022 - Ovidiu Alexa
- Operation Wallace- Croatia- Milly Baggott
- Operation Wallacea
- Operation Wallacea - Honduras Biology Dept Trip
- Operation Wallacea 2016 - Natalie Burkhart
- Operation Wallacea 2018 - Charlotte Slade
- Operation Wallacea 2018 - Sophie Freeman
- Operation Wallacea Africa 2017 - Anastasia Unitt
- Operation Wallacea Africa 2018 - Erin McIntyre
- Operation Wallacea Africa 2018 - Natasha Murphy
- Operation Wallacea Africa 2018 - Tanisha Olateju
- Operation Wallacea Africa 2021 - Summer-Jayne Robinson
- Operation Wallacea Borneo 2021 - Rylee Dall
- Operation Wallacea Dominica 2019 - Georgie Nicholls
- Operation Wallacea Dominica 2021 - Megan Platt
- Operation Wallacea Ecuador 2014 - Adam Shanahan
- Operation Wallacea Honduras 2015 - Kate Williams
- Operation Wallacea Honduras 2020 - Ethan Tan
- Operation Wallacea Honduras 2024 - Aaron Woolner
- Operation Wallacea Indonesia 2013 - Zoe Johnson
- Operation Wallacea Indonesia 2017 - Hannah Wait
- Operation Wallacea Indonesia 2019 - Tom Russell
- Operation Wallacea Indonesia 2020 - Archie Clarkson
- Operation Wallacea Indonesia 2021 - Jack Curtis
- Operation Wallacea Katie Hawthorn
- Operation Wallacea Louis Gervaise - 2021
- Operation Wallacea Madagascar 2018 - Lucy Blake
- Operation Wallacea Mexico 2017 - Holly Jones
- Operation Wallacea Mexico 2018 - India Sheridan
- Operation Wallacea Mexico 2022 - Holly Wilkins
- Operation Wallacea Peru - Courtney Lamb
- Operation Wallacea Peru 2017 - Joe Phillips
- Operation Wallacea Peru 2018 - Thomas Heath
- Operation Wallacea South Africa 2021 - Hannah Butler
- Operation Wallacea - Cusuco National Park Expedition 2025
- Operation Wallacea - Honduras July 2011 - Josh Mays OHS
- Operation Wallacea - 2021 - Eva Lawrence Scholefield
- Operation Wallacea - Alex Sproul Indonesia Fund
- Operation Wallacea - Borneo - Kelsey-Michelle Guy
- Operation Wallacea - Callum Simmons
- Operation Wallacea - Carolyn Kelday
- Operation Wallacea - Charlie Risbey
- Operation Wallacea - Connah's Quay High School
- Operation Wallacea - Croatia - Megan Burton
- Operation Wallacea - Croatia - Ruby Tant
- Operation Wallacea - Croatia 2024 - Ekaterina Zorova
- Operation Wallacea - Croatia 2024 - Grace Black
- Operation Wallacea - Croatia 2024 - Lizzie Nelson
- Operation Wallacea - Croatia 2024 - Molly Brown
- Operation Wallacea - Croatia 2024 Alyssa Thornton
- Operation Wallacea - Croatia 2025 - Alasdair Spence
- Operation Wallacea - Croatia 2025 - Catriona Chapman
- Operation Wallacea - Croatia 2025 - Laura Sullivan
- Operation Wallacea - Croatia 2025 Tina Daferera
- Operation Wallacea - David Bennett-Peru
- Operation Wallacea - Dylan Harvey
- Operation Wallacea - Ecuador and the Galapagos 2018 - Joseph Griffin
- Operation Wallacea - Ed Baker
- Operation Wallacea - Edward Dance
- Operation Wallacea - Elizabeth Brown
- Operation Wallacea - Ella Williams
- Operation Wallacea - Elleanor Gurr
- Operation Wallacea - Emma Church
- Operation Wallacea - Georgina Govier
- Operation Wallacea - Heather Booth
- Operation Wallacea - Honduras - 2024 - Lucy Clayton
- Operation Wallacea - Honduras - July 2025 Caian Chislett
- Operation Wallacea - Honduras 09 - Rachael Batho
- Operation Wallacea - Honduras 09 - Rachael Everard
- Operation Wallacea - Honduras 2010 - Abigail Lambert
- Operation Wallacea - Honduras 2023 - Megan Walters
- Operation Wallacea - Honduras 2024 - Cameron Wallace'
- Operation Wallacea - Honduras 2024 - Jessie Dodman
- Operation Wallacea - Honduras 2024 - Madeleine Hallam
- Operation Wallacea - Honduras 2024, Isabelle Reynolds
- Operation Wallacea - Honduras 2025 - Amélie Carpentier
- Operation Wallacea - Honduras 2025 - Simon Lixandru
- Operation Wallacea - Honduras 2025 Ella Driscoll
- Operation Wallacea - Honduras 2025 Ellie Whitaker
- Operation Wallacea - Honduras July 2011 - James Cuthbert OHS
- Operation Wallacea - Indonesia July 2024 - Matthew Minio
- Operation Wallacea - Indonesia - July 2026 - Benjamin Worman
- Operation Wallacea - Indonesia 2024 - Lydia Lane
- Operation Wallacea - Indonesia 2025 - Emma Robinson
- Operation Wallacea - Indonesia 2025 - Francesca Hird
- Operation Wallacea - Indonesia 2025 - Sam Supple
- Operation Wallacea - Indonesia 2025 - TP6 Emily Field
- Operation Wallacea - Indonesia 2026 - Amelia Carrington
- Operation Wallacea - Indonesia 2026 - Emily Bond
- Operation Wallacea - Indonesia, 13 Jul 2025, Daryle
- Operation Wallacea - Izzy 2025
- Operation Wallacea - Jessica Kyle
- Operation Wallacea - Joanne Makin
- Operation Wallacea - Joanne McKay
- Operation Wallacea - July 2025, Honduras - Mia Smerdon
- Operation Wallacea - Kay Hetherington
- Operation Wallacea - Knepp 2024
- Operation Wallacea - Knepp 2024 - Louisa Neill
- Operation Wallacea - Knepp Estate
- Operation Wallacea - Knepp Estate - July 13 - 19, 2025 - Jerret Raffety
- Operation Wallacea - Lily Foley
- Operation Wallacea - Lucy Manly
- Operation Wallacea - Lucy Matson- Mexico- summer 2023
- Operation Wallacea - MAD-T07 summer 2024 Juke Gillner
- Operation Wallacea - Madagascar - 2024 - Ella Eastwood
- Operation Wallacea - Madagascar - Aeron McCaffrey
- Operation Wallacea - Madagascar - Daniel O’Hagan
- Operation Wallacea - Madagascar - Lucie Benson
- Operation Wallacea - Madagascar -2025 Lili Flitcroft
- Operation Wallacea - Madagascar 2024 - Daisy Johnson
- Operation Wallacea - Madagascar 2024 - Jessica Overton
- Operation Wallacea - Madagascar 2024 - Rosie Ireland