Cause Directory: O
- O B Muaythai
- O Ddrws i Ddrws
- O Neil's Boxing Club
- O'Flynn Foundation
- O'Gara School of Irish Dance
- O'Hehir School of Irish Dance
- O'Mainnin School of Irish Dancing
- O'Neills Nomads
- O's Phd Fund
- O.A.C.S Charity
- O.P.A.L Centre
- O4O: Opportunities for Older People
- OA Spartans
- OAC Ministries
- OAC Ministries - Falmouth
- OAC Ministries - Reading
- OAC Ministries Swansea
- OACMA - Oxfordshire African Caribbean Multicultural Assiciation
- OAKonsult Disabilities Outreach
- OASES - Durham
- OB Hares Netball Club
- OBA Netball Club
- OBH Gornal
- OCAP - The Arts For All Charity
- OCAY - Older Citizens Advocacy York
- OCD Action
- OCD Support (Hull)
- OCD Support Wakefield
- OCD today.uk
- OCD-Today
- OCD-UK
- OCF Trust
- OCRA
- ODA Bolivia 2016 - Samantha Lisle
- ODD Animals Rescue
- OEH Foundation Dog Rescue
- OEO
- OFLAC
- OG Cancer NI
- OGA Australian Rugby Tour 2017
- OGE
- OHRFC Mini's Tour Fund
- OHRFC Saxons Tour Fund
- OHRStornoway
- OIR FC
- OJ's Care
- OJAC Scottish Juniors Fundraising
- OJUK Solutions
- OK Foundation Community Fridge
- OLA Parents' Association
- OLA football club
- OLD WHITS FUND RAISING
- OLDC
- OLIVIA HOWLETTS FUNDRAISER - Emma Sherwood
- OLOL PTA
- OLOR Pre-School
- OLP Community Garden Shottery
- OLSC Library Refurbishment
- OLSJ Lymington PTA
- OLSJ Primary School PA - London
- OLSK - School Fund (Halesowen)
- OMEGA
- OMEP UK
- OMT ladies hockey
- OMTC - Open Minds Theatre Company
- ON THE BUSES Official Fan club
- ON'S Football Tour
- ONS Titchfield Charity Fundraising Committee
- OP Badminton Club
- OP-EAA Music Networks Unity-Hub
- OPA Cancer Charity
- OPAL (Older People's Action in the Locality)
- OPEKA
- OPEN DOOR YOUNG PEOPLE'S CONSULTATION SERVICE
- OPENhouse - Stroud
- OPIA Theatre Company
- OPOJ Garden Village
- OPUS - an organisation for promoting understanding of society
- OPWALL - Angus Stirling - 2021
- OQF
- ORA Singers
- ORB Church Peterborough
- ORCA
- ORCA Swimming Club Royton
- ORCHYD
- OREF - Epsom General Hospital
- ORT UK
- OSA - Owens School Association
- OSB Cheerleading
- OSCA - Charles Darwin Community Primary, Northwich
- OSCAR - The UK Information Service for World Mission
- OSCAR Sandwell - Organisation for Sickle Cell Anaemia Research and Thalassaemia Support Sandwell
- OSMIS Community
- OSO - Barnes Community Arts Centre
- OSPA CATS AND DOGS
- OSPEC Oliver's support group for Parents of children with Epilepsy and related/other Conditions
- OSU Orphanage - Ghana
- OT Play
- OTA Sporting FC
- OTB Sports Club
- OTCC
- OUR Dog Foundation
- OURFC Women
- OUTPOST Horsford Youth
- OUTPOST Norwich
- OUWLRC - Oxford University Lightweight Women Club
- OUZ London
- OVADA
- OVER 9000
- OWL Watch Crime Prevention - Cymru
- OWLS AC Junior Athletics
- OWN IT Limited
- OX4 Food Crew
- OXPIP
- OXSRAD
- OYA
- OYAP
- OaKley Play and Life Skills Centre
- Oaaada
- Oadby & Wigston Dynamos Football Club
- Oadby & Wigston FC
- Oadby & Wigston Scout and Guide Band
- Oadby & Wigston Swimming Club
- Oadby & Wigston U12 United Girls
- Oadby And Wigston Borough Veteran Support
- Oadby Athletic FC
- Oadby Boys Club
- Oadby Granville Tennis Club
- Oadby Owls FC
- Oadby Owls Snowys U11 Football Team
- Oadby Owls U12 Girls Football Club
- Oadby Owls under 15's
- Oadby Parochial Church Council
- Oadby Town Football Club
- Oadby United Reformed Church
- Oadby Wyggestonian Rugby Football Club
- Oadby Wyggs Rugby Tour Fund
- Oak CE Primary School
- Oak Church Stevenage
- Oak Cottage Nursery - Brighton
- Oak Cottage Primary School - Solihull
- Oak Counselling Service
- Oak Eagle Explorers
- Oak Farm Pre-school
- Oak Grange PTA, Alvaston
- Oak Grove Community Church
- Oak Hill ASD Childcare, Melfort Road
- Oak Hill Academy West London
- Oak Hill Bowls Club
- Oak Lodge Primary School
- Oak Medical Foundation
- Oak Note SCIO
- Oak Tree Animals Charity
- Oak Tree Community Allotments
- Oak Tree Farm Rural Project
- Oak Tree Homes Trust
- Oak Tree Kindergarten Luton
- Oak Tree PTA, Burgess Hill
- Oak Tree Primary - Mansfield
- Oak Tree Primary School Cheadle
- Oak Tree Sporting FC
- Oak Wood School - Hillingdon
- Oak Wood Schools - Nuneaton
- Oak and Furrows Wildlife Rescue
- Oakamoor Bowling Club
- Oakamoor Cricket Club
- Oakbank Community Inn, Sandbank
- Oakbank Playgroup Perth
- Oakbank Secondary Free School
- Oakbourne Coronation Football League
- Oakbridge Federation
- Oakdale Boys and Girls FC
- Oakdale Infants School PTFA
- Oakdale Junior School - Redbridge
- Oakdale Juniors PTA - South Woodford
- Oakdale Rugby Club
- Oakdale School Tameside
- Oakdale Silver Band
- Oakdene Education Trust
- Oakdin Montessori Kindergarten
- Oake & Bradford Pre-School - Taunton
- Oake Bradford & Nynehead School
- Oaken Grove Community Centre - Haxby
- Oakengates Rangers FC
- Oakengates United Church Pre-school, Telford
- Oakenshaw Community Association
- Oakenshaw Preschool
- Oakes Baptist Church
- Oakes Court Housing with Care
- Oakey Dokey Childcare - Corby
- Oakey Dokey's Pre-School
- Oakfield (Easton Maudit) Ltd
- Oakfield Academy Totton
- Oakfield Academy, Frome
- Oakfield Archers
- Oakfield Association Of Friends Preparatory School
- Oakfield Athletic Football Club / Myeloma UK
- Oakfield Bridge Club
- Oakfield CE (Aided) Primary School - Ryde
- Oakfield Community School. Widnes
- Oakfield Infant And Junior Schools
- Oakfield PTFA - Totton
- Oakfield Park School
- Oakfield Parkonians Cricket Club
- Oakfield Youth Fc
- Oakfields Montessori School PTA
- Oakgrove Integrated Primary and Nursery School - Londonderry
- Oakgrove Primary School - Glasgow
- Oakgrove School - eSwatini Hang Shun Joshua Tang
- Oakhall Church
- Oakham All Saints Scout Group
- Oakham Artistic Gymnastic Academy
- Oakham Community Club
- Oakham Pride
- Oakham School Foundation
- Oakham Scout Group - Oldbury
- Oakhanger Village Hall
- Oakhill Bowling Club
- Oakhill Nursery
- Oakhill Primary School
- Oakhill Tigers
- Oakhurst First & Nursery School
- Oakhurst PFA Swindon
- Oakhyrst Grange School PFOG - Caterham
- Oakington C of E Primary School
- Oakland's Park Residents Association
- Oaklands Bowling and Social Club
- Oaklands Community Centre
- Oaklands Community Pool
- Oaklands Community Project
- Oaklands Infant School PFO - Chelmsford
- Oaklands Primary Academy PTA - Westerham
- Oaklands Primary School Fundraising Committee - Welwyn
- Oaklands Primary School PSA - Ealing
- Oaklands Rodent Rescue
- Oaklands School - Hounslow
- Oaklands School Leicester
- Oaklands School, Walderslade
- Oaklands Schools PTA - Crowthorne
- Oaklands Weightlifters
- Oaklea Montessori Nursery CIC
- Oakleaf Enterprise
- Oakleigh House School - Swansea
- Oakleigh Opportunities for Play
- Oakleigh School Parent Staff Association
- Oakley All Stars
- Oakley Bowling Club
- Oakley Cricket Club
- Oakley Hunt West
- Oakley Hunt West Pony Club Prince Philip Cup Team
- Oakley Junior School Association
- Oakley Parent & Toddler Group - Dunfermline
- Oakley Pre-School - Buckinghamshire
- Oakley Pre-school - Oakley Bedfordshire
- Oakley Pre-school CIO, Aylesbury
- Oakley Preschool, Bedford
- Oakley Primary Academy
- Oakley Rural Day Centre
- Oakley School, Tunbridge Wells
- Oakley Stitchers CIC
- Oakley Vale Community Association
- Oakley Vale Primary School PTA, Corby
- Oakley's Gift
- Oakley's Journey To A More Mobile Future
- Oakmeadians RFC
- Oakmeadians YFC
- Oakmeadow C.E. Primary School
- Oakmeeds Day Nursery
- Oakmere Cricket Club
- Oakmere Park GC Admiral Ladies
- Oakridge FC
- Oakridge Federation Parents Teachers and Friends Association
- Oakridge Parochial School - Stroud
- Oakridge School Association, Stafford
- Oaks FoodBank
- Oaks Nursery, Canterbury
- Oaksey C of E Primary School
- Oaksway Netball Club
- Oaktree Family Group
- Oaktree Playgroup
- Oaktree child care centre
- Oakwell Rise Primary Academy
- Oakwell RunFit
- Oakwood Academy - Manchester
- Oakwood Acorns
- Oakwood Animal Sanctuary
- Oakwood Association (PTA for Oakwood Primary School)
- Oakwood Dog Rescue
- Oakwood Football Club
- Oakwood High School - Rotherham
- Oakwood House Charity Fundraising
- Oakwood Ladies & Youth FC
- Oakwood Netball Club
- Oakwood Nursery Parents Council - Glasgow
- Oakwood Park Grammar School Parents' Association
- Oakwood Primary Academy PTFA - Plymouth
- Oakwood Road Community Centre
- Oakwood School - Horley
- Oakwood School - Purley
- Oakwood School and Assessment Centre
- Oakwood Schools Association Southampton
- Oakwood Scouts
- Oakwood Youth FC
- Oakwood saints
- Oakworth Cricket Club
- Oakworth Juniors Football Club
- Oakworth Methodist Church
- Oakworth Parish Churches
- Oakworth Preschool
- Oakworth Primary School
- Oanas Street Paws
- Oare School PTA - Marlborough
- Oarsome Chance
- Oasby Music Group
- Oases Trust
- Oasis Academy Aspinal, Manchester
- Oasis Academy Blakenhale Infants
- Oasis Academy Brislington
- Oasis Academy Byron Primary School
- Oasis Academy Clarksfield, Oldham
- Oasis Academy Connaught, Knowle
- Oasis Academy Coulsdon
- Oasis Academy Foundry, Birmingham
- Oasis Academy Immingham
- Oasis Academy Lister Park
- Oasis Academy Long Cross
- Oasis Academy Media City UK
- Oasis Academy MediaCityUK
- Oasis Academy Nunsthorpe
- Oasis Academy Pre School - Lordshill
- Oasis Academy Putney
- Oasis Academy Ryelands
- Oasis Academy Shirley Park Primary Phase
- Oasis Animal Sanctuaries
- Oasis Aspinal: Hub
- Oasis Autism
- Oasis Cafe Football Club
- Oasis Cardiff
- Oasis Carnival Club
- Oasis Charity
- Oasis Children's Venture
- Oasis Christian Centre - Redditch
- Oasis Christian Fellowship
- Oasis Christian Outreach
- Oasis Church - Colliers Wood
- Oasis Community Centre
- Oasis Community Housing
- Oasis Community Hub - South Bristol
- Oasis Community Hub Bath
- Oasis Community Hub Hobmoor - Birmingham
- Oasis Community Hub Oldham
- Oasis Community Hub Warndon
- Oasis Community Hub: Foundry and Boulton
- Oasis Counselling Centre - Dartford
- Oasis Daycare - Wigan
- Oasis Domestic Abuse Service
- Oasis Drop In Centre
- Oasis Hadley Language Students - Lorena de la Fuente
- Oasis Hub Blakenhale
- Oasis Hub East Southampton
- Oasis Hub Foundry and Boulton
- Oasis Hub Waterloo London
- Oasis International
- Oasis Life Centre
- Oasis Lionhearts FC
- Oasis Lord's Hill (Running Name Southampton City Farm)
- Oasis Missions
- Oasis Relief
- Oasis Twirlstars
- Oasis Youth Development Trust
- Oasis for Africa challenge 2018 - Anjna Varsani
- Oasis of Love Church
- OasisHubSouthGrimsby
- Oastlers School
- Oathall Community College PTA (OPTA), Haywards Heath
- Oathlaw Tannadice Church
- Oatlands Community Resource Centre - OCRC
- Oatlands Pre-school Harrogate
- Oatlands Pre-school Weybridge
- Oatlands School Parent Teacher Association, Weybridge
- Oatlands Scouts
- Obaapa Helps
- Oban And Lorn Lions Charitable Trust
- Oban Baptist Church SCIO
- Oban Festive Lights
- Oban Gaelic Choir
- Oban High School
- Oban High School Archers
- Oban Lorne RFC
- Oban Mountain Rescue Team Argyll
- Oban Pipe Band
- Oban Pride
- Oban Sailing Club
- Oban Toy Cupboard
- Oban Viewpoint Group - Community Centre
- Oban and Lorn Youth Pipe Band Association
- Obed Uni Fund
- Obesity And Weight Loss Management
- Obesity UK
- Oblique Arts
- Oblivion Allstars Cheer & Dance
- Oblivion Morris Dancers
- Oblong
- Obsidian cheer and dance
- Obviousfun
- Occa-Home
- Occold FC U12
- Occold Pre-School - Eye
- Occupational Therapy Equipment for Autism - Cognus
- Ocean Badminton Academy
- Ocean Brass
- Ocean City Hockey Club
- Ocean City Powerchair Football Club
- Ocean Conservation Trust
- Ocean FM Help a Local Child
- Ocean Harmony
- Ocean Park Rangers FC
- Ocean Stars Trust
- Ocean Story
- Ocean Swim School
- Ocean Youth Trust North
- Ocean Youth Trust Scotland
- Ocean Youth Trust South
- Ocean Zen CIC
- Oceana FC
- Oceans Project
- Oceans of Hope UK
- Oceantide Entertainments
- Ochil Explorers Adventure Club
- Ochil Tower School
- Ocirchan batista
- Ockash Trust
- Ockbrook & Borrowash Cricket Club
- Ockbrook & Borrowash Womens Institute
- Ockbrook FC
- Ockbrook Redhill Women's Institute
- Ockbrook and Borrowash Tennis Club
- Ockbrook and Borrowash WI
- Ockendon Rhinos FC
- Ockendon Scout & Guide Group
- Ocker Hill Academy
- Ocker Hill Infant and Nursery School - Tipton
- Ockham Cricket Club
- Ocklynge School - Eastbourne
- Ockment Centre - Okehampton
- Octagon Theatre Trust Ltd
- Octave Choir
- Octavia's Trust
- Octopus for a Preemie UK
- OcuMel UK
- Odara The Support Network
- Odd Arts
- Odd Down Community Association
- Odd Down at Play
- Odd Flock Theatre
- Odd Socks Foundation
- Oddbods Theatre Group
- Oddfellows Arms FC
- Oddies WMC Football Club
- Oddsock Festival Cic
- Odeniya Oluwapelumi - 2021
- Odies Warren For Rabbits
- Odiham & Greywell Cricket Club
- Odiham & Greywell Cricket Club - Operation Phoenix
- Odiham Bowls Club
- Odiham Community Pre-School
- Odinn's Legacy
- Odins Residential Experience
- Odiyana Buddhist Centre
- Odsal Sedburgh Juniors
- Odunayo Olisa - University of Leicester
- Odw Lions Fc
- Odysseas's Uni Fund
- Odyssey Explorer Scout Unit
- Odyssey Gymnastics
- Odyssey Majorettes - Weymouth
- Odyssey Project Ltd
- Odyssians
- Of One Accord
- Off Centre - Hackney
- Off Centre Theatre
- Off Road Wheelchair Fund
- Off The Fence Trust
- Off The Record (South East Hampshire)
- Off The Record - West Yorkshire
- Off The Record Twickenham
- Off The Record, Sutton
- Off The Ropes
- Off The Street Community Youth Project
- Off The Streets And Into Work (OSW)
- Off The Wall Aerial Dance Circus
- Off With Your Locks - Little Princess Trust
- Off the Beatson Track Charity Walk 2018 - Laura Jackson
- Off the Record - BANES
- Off the Streets
- Off-Balance Dance
- OffPOD Luxury Garden Rooms
- Offa's Dyke Path National Trail
- Offchurch Netball
- Offenham Cricket Club