Cause Directory: O
- Official Ashton United Supporters Club
- Official Blake Fan Site: Variety, the Children's Charity
- Official Puppy Kaleb
- Official Solent Boccia
- Offington Park Methodist Church
- Offington Park Preschool, Worthing
- Offley Endowed Primary School - Hitchin
- Offmore Primary School - Kidderminster
- Offord Primary School - Offord Darcy
- Offord Primary School PTA, Offord Darcy
- Offset Projects
- Offwell C of E Primary PTFA
- Offworld makerspace CIC
- Oficina da Capoeira, Chichester
- Ogbourne Parent Staff Association
- Ogilvie School Campus Parent Council
- Oglander Roman Trust
- Oglethorpe WI
- Ogmore Valley Archers
- Ogmore Valley Local History Society
- Ogmore Valley Priide
- Ogmore Valley Silver Band
- Ogmore Valley WI
- Ogston Sailability Club
- Ogwell Pre-School - Newton Abbot
- Ogwen Cottage
- Ogwen Valley Mountain Rescue Organisation
- Oh My GOSH: Charity Skydive - Danielle Danby
- Ohana
- Ohana Centre
- Oi Cancer... On yer bike! Charity Cycle Ride 2020 - Carmel Tate
- Oil Fuel Poverty Solutions
- Oil Media Limited
- Oily Cart
- Ojaala Welfare Foundation
- Okami Martial Arts
- Oke Wildlife Care
- Okeako Electricity Project
- Okehampton & District Carnival
- Okehampton All Saints
- Okehampton And District Tennis Club
- Okehampton Argyle FC
- Okehampton Branch of Devon Senior Voice Senior Council for Devon
- Okehampton College Big Band
- Okehampton Community Kitchen
- Okehampton Excelsior Silver Band
- Okehampton Hockey Club
- Okehampton Otters
- Okehampton Primary School PTFA
- Okehampton Rotary Club
- Okehampton Rugby Club
- Okehampton Simmons Bowling Club
- Okehampton Squash Club
- Okehampton Street Pastors
- Okehampton and District Lions Club
- Okement Rivers Improvement Group
- Okenko
- Okewood Nursery, Walliswood
- Oksana Kononova
- Ola Adeniji
- Ola Marchlinska 2022
- Ola's Uni Fund
- Olanrewaju Charles Fayefunmi
- Olayinka olasehinde 1st year
- Olcote Sanctuary
- Olcote Sanctuary
- Old Actonians Football Club
- Old Actonians LFC
- Old Actonians Netball Club
- Old Actonians Tennis Club
- Old Albanian Cricket Club
- Old Alleynian Rugby Football Club - Dulwich College
- Old Alresford Village Hall
- Old Altrinchamians FC
- Old Amplefordians FC
- Old Ashmoleans RFC
- Old Aylestone FC
- Old Aylestone Social Club Ltd - Bowls team
- Old Balls Cricket Club
- Old Barkabbeyans FC
- Old Barn Orchestral Society
- Old Barn Short Mat Bowls Club
- Old Basford School
- Old Basing Rovers FC
- Old Basing Scout Group
- Old Bedians RUFC
- Old Berkeley Hunt North Pony Club
- Old Berkeley Riding Club
- Old Berkshire Hunt Pony Club
- Old Bexley Scout Group
- Old Bexley Stables Pony Club
- Old Black Bank FC
- Old Bluecoat School - Thatcham
- Old Blues Football Club
- Old Boat Corner Community Association
- Old Bolingbroke Methodist Church
- Old Boltonians AFC
- Old Bordenian HC
- Old Bradwell United Football Club
- Old Brentwoods Rugby Club
- Old Bristolian's RFC U15
- Old Bristolians Hockey Club
- Old Brodleians Rugby Club
- Old Buckenham Cricket Club
- Old Bush Lions FC
- Old Cathedralians Cricket Club
- Old Catton JFC U11 Lions
- Old Catton Juniors
- Old Catton Panthers Under 13
- Old Catton Pre School, Norwich
- Old Catton Rangers
- Old Centralians RFC
- Old Chapel Works CIC
- Old Chelmsfordians Association changing rooms
- Old Clee Parish, Grimsby
- Old Clee Sewell FC
- Old Cleeve First School P.T.F.S.A
- Old Colfeians Cricket Club
- Old Colfeians Rugby Football Club
- Old Cooperians RFC
- Old Corinthians Walking Football Club
- Old Coulsdon Bowling Club
- Old Coulsdon Congregation Church
- Old Coulsdon Residents Association - OCRA
- Old Court Community Pre-School
- Old Coventrians RFC
- Old Coventrians Rugby Club U9 Team
- Old Coventrians Under 7/8's Tour
- Old Cranleighan Hockey Club
- Old Cross Bowling Club
- Old Crossleyans RUFC
- Old Culverhaysians RFC
- Old Cumnock Old Church
- Old Dalby C of E Primary School - Melton Mowbray
- Old Dalby Preschool, Melton Mowbray
- Old Danes Basketball Club
- Old Danes FC
- Old Dean Bowling Club
- Old Down Cricket Club
- Old Dunstonian RFC
- Old Earth Primary School PTFA
- Old Emanuel Rugby Football Club
- Old English Sheepdog Rescue and Welfare
- Old Felixstowe Guides
- Old Felixstowe Nursery
- Old Finchleians Cricket Club
- Old Fincunians Netball Club
- Old Firm Alliance Academy
- Old Garchonians FC
- Old Georgian's Hockey Club
- Old Georgians AFC
- Old Glossop Cricket Club
- Old Glossop Womens' Institute
- Old Gourock and Ashton Parish Church
- Old Grammarians RFC, Minis & Youth Section
- Old Halesonians RFC
- Old Halesonians RFC Juniors (Hales Angels)
- Old Halesonians RFC Mini's Tour
- Old Hall Brass
- Old Hall Community Group
- Old Hall Day Nursery
- Old Hall Peoples Partnership - OHPP
- Old Hall Primary PTA - Bury
- Old Hall Special School
- Old Hatfield Ladies Running Club
- Old Heath School Association (OHSA)
- Old Heathlandian Association
- Old Herefordians Club
- Old Hill Primary School
- Old Horns Football Club
- Old Hunstanton Village Hall - Margaret Ritchie
- Old Hutton PTA
- Old Hutton Pre School
- Old Ignatian FC
- Old Illtydians RFC
- Old Island Boys 2nds
- Old Isleworthian's Youth Football Club
- Old Isleworthians & Heston Cricket Club
- Old Isleworthians FC
- Old Kiln Light Railway
- Old Kilpatrick Food Parcels
- Old Kingstonian Hockey Club
- Old Laurentian Mini and Juniors
- Old Laurentian RFC
- Old Leamingtonians RFC
- Old Leamingtonians Rugby Club
- Old Leodiensians Cricket Club
- Old London Road Pre-school
- Old Loughtonians Hockey Club
- Old Madras Cricket club
- Old Maidstonian Society
- Old Maldonians Badminton Club
- Old Malton St Mary’s FC
- Old McFarlanes Farm & Rescue Centre CIC
- Old Merchant Taylors' Cricket Club
- Old Merchant Taylors' Rugby Club - OMTFC
- Old Moat Childcare Manchester
- Old Moat Inn RSC
- Old Netley and Highfield Disability Cricket Champions
- Old Newton CEVC Primary School
- Old Newton Church
- Old Newton Under Fives
- Old Newtonians RFC
- Old Northamptonians Mini and Junior Rugby Club
- Old Orleans FC
- Old Otliensians RUFC
- Old Owens Cricket Club
- Old Padeswood Golf Club
- Old Palace of John Whitgift School
- Old Park School - Dudley
- Old Parkonians Association
- Old Parkonians Football Club
- Old Parmiterians FC
- Old Patesians Rugby Football Club
- Old Penarthians RFC
- Old People Welfare Society
- Old Playground Association
- Old Pond Football Club
- Old Post Centre - Swadlincote
- Old Priory Judo Club
- Old Quarries Avening HFT
- Old Rayne Defib - Michelle Yule
- Old Rayne Parent Council - Aberdeenshire
- Old Rayne Preschool
- Old Rayne School Parent Council, Insch
- Old Rectory Care Home - Norwich
- Old Redcliffians RFC
- Old Reigatian Rugby Football Club
- Old Reigatian's Rugby Club
- Old Richians AFC
- Old Richians RFC
- Old Rishworthian RUFC - Copley Halifax
- Old Rivingtonians SC Mens
- Old Road Primary School Ysgol Hen Heol
- Old Royal Naval College Chapel Fund
- Old Rutlishians Cricket Club
- Old Rutlishians Rugby Club
- Old Salesians Football Club
- Old Saltleians Rugby Football Club
- Old Sarum Nursery
- Old Sarum Primary School PTA
- Old Sarum Scout Group
- Old Sawley Walking Football
- Old School Community Hub
- Old School House Nursery
- Old School Tea Room Pentre
- Old Silhillians Hockey Club
- Old Silkstone Band
- Old Sodbury CofE school PTFA
- Old Southendian Football Club
- Old Southendian Hockey Club
- Old Southendian Leopards U9s
- Old Stevenage Community Association
- Old Stratford Pre-school Playgroup
- Old Stratford School Association
- Old Stretfordians
- Old Surgery Food bank
- Old Swan Youth Club
- Old Swinford Hospital School Parents Association, Stourbridge
- Old Tenisonians Cricket Club
- Old Thorntonians Football Club
- Old Tiffinians Football Club
- Old Tiffinians RFC
- Old Tiger Stables
- Old Torry Community Centre
- Old Town FC
- Old Town Post Office Community Fund
- Old Trafford Athletic FC
- Old Trafford Bowling Club
- Old Trafford Wonder Women WI
- Old Tree Nursery
- Old Vicarage Roof Fund
- Old Vigornians Cricket Club
- Old Westminster Citizens Association
- Old Wheatleyans RFC
- Old Whittington MW FC
- Old Wilsonians Richardsons FC
- Old Wimbledonians Cricket Club
- Old Windsor Lifeguards
- Old Windsor Parish Church
- Old Windsor Pre-school
- Old Wood Organic CIC
- Old Woodhouseians FC
- Old Wulfarians Under 10s east
- Old Wulfrunians Juniors u7 North
- Old Wulfrunians North U10’s FC
- Old Wulfrunians Tettenhall Cricket Club
- Old Wulfrunians U13 Girls
- Old Wulfrunians U14 Girls
- Old Wulfrunians U7s South
- Old Wulfrunians U9s South
- Old Wulfrunians Under 10’s East
- Old Wulfrunians Under 13’S
- Old Wulfrunians' Junior Football Club
- Old Wulfs U12s Girls
- Old Xaverians FC
- Old Xaverians FC - B Team
- Old Yardleians RFC
- Old is Gold - Fundraiser
- Oldballs
- Oldbury Benefice
- Oldbury Cottage Care Farm CIC
- Oldbury Park White Tigers
- Oldbury United FC
- Oldbury United U13 Girls
- Oldbury United Under 9’s
- Oldbury Utd U11's Tigers
- Oldbury Warriors FC under 14
- Oldcastle Primary School Pta, Bridgend
- Older Adult Mental Health Team
- Older And Disabled People
- Older People's Advocacy Alliance
- Older Peoples New Opportunities Consortium (opnocs)
- Olderfleet Primary School PTA
- Olderfleet’s Rowing Club
- Oldershaw Rugby Club
- Oldfield Brow Primary - Oldfield Brow
- Oldfield Park Infants School PTA
- Oldfield Park Junior After School Club - Bath
- Oldfield Park Junior School
- Oldfield Pre-school, Chester
- Oldfield Primary School Maidenhead
- Oldfield School Association - bath
- Oldfields Hall Middle School
- Oldham & Royton HAC
- Oldham Aces Dance Troupe
- Oldham Aquatics Swim Team
- Oldham Army Cadets
- Oldham Athletic Academy
- Oldham Athletic Girls & Women's FC
- Oldham Athletic Supporter Foundation Ltd (Trust Oldham)
- Oldham Athletic Veterans and Armed Forces Group
- Oldham Baseball Club
- Oldham Boxing and Personal Development Centre
- Oldham Boys
- Oldham Cats Rescue
- Oldham Choral Society
- Oldham Community FC
- Oldham Community Football Club
- Oldham Community Radio 99.7fm
- Oldham Greenhill Community Sports and Recreational Club
- Oldham Hockey Club
- Oldham Junior Badminton Club
- Oldham LGBT Events Group
- Oldham Liberal Democrats
- Oldham Mountain Rescue Team
- Oldham Rangers Football Club
- Oldham Saint Anne's U18's 2021 Tour
- Oldham Saints
- Oldham Sapphires Dance Troupe
- Oldham Sea Cadets
- Oldham Seals Amateur Swimming Club
- Oldham Society for Blind & Partially Sighted People
- Oldham St Annes ARLFC u10s
- Oldham St Annes Golds under 14’s Tour
- Oldham St Annes Rugby Club U12s tour - Stephanie Brown
- Oldham St Anne’S 13’S Tour Fund
- Oldham St Anne’s Blacks Rugby Tour
- Oldham Sub-Aqua Club
- Oldham Symphony Orchestra
- Oldham Town Juniors Football Club
- Oldham United Reformed Church
- Oldham Volleyball Club
- Oldies Club
- Oldland Common Project
- Oldland Pre-school - Oldland Common
- Oldmachar Church - Aberdeen
- Oldmeldrum Golf Club
- Oldswinford CE Primary School
- Oldswinford Scout Group
- Oldswinford Youth Under 9's East
- Oldway CP School, Paignton
- Ole Apostolic Church of the Most Holy Trinity
- Olga Gymnastics and Trampoline Club
- Olga Silva
- Olga Walusiak- Elective In Malawi 2025
- Olga's Dog & Cat Rescue
- Olgar Trust
- Oli Pendleton - GBR Junior Squad Member
- Oli's Morocco Expedition - SWCHS
- Oli's Uni Fund
- Olicanians Cricket Club
- Olive Branch Counselling
- Olive Foundation
- Olive Nolan - World Challenge Trip To Tanzania 2026!
- Olive Tree Ministries UK
- Olive Wriglesworth Trip To Kenya
- Olive tree pre school
- Oliver & Learn
- Oliver Bailey African Adventure
- Oliver Bailey Camps International
- Oliver Barker World Challenge - Norway 2026
- Oliver Braithwaite - 2021
- Oliver Brewin - Home Learning
- Oliver Burns
- Oliver Cooper - Peru Environmental Expedition - Summer 2026
- Oliver De La Vega Varadi's World Challenge Morocco
- Oliver Field, World Challenge Malaysia 2025
- Oliver Greswell Travelling To Peru 2026
- Oliver Henry
- Oliver Hughes’s Camps International Peru 2026 Expedition
- Oliver Lang Malayasia Expedition 2026
- Oliver Liversedge Racing
- Oliver Munro Costa Rica
- Oliver Salt Raising For Mental Health Awareness
- Oliver Sawyer Marathon Fundraising for RNIB
- Oliver Smith SDR Fund.
- Oliver Tom Tri Fund
- Oliver Tomkins Schools
- Oliver University
- Oliver Wallis - Cambodia 2024
- Oliver Williams Malaysia Expedition
- Oliver World Challenge
- Oliver Wright Nepal 2026
- Oliver and James Cooper - Duke of Edinburgh Awards
- Oliver's Battery Preschool
- Oliver's Battery Primary School, Oliver Battery
- Oliver's Costa Rica Outlook Expedition
- Olivers Army
- Olivers Lodge
- Olivers disability pushchair
- Oliver’s Therapy - Emma Alford
- Oliver’s Uni Fund
- Oliver’s World Challenge 2027
- Olives uni fund
- Olivia B Florida Trip
- Olivia Birthwright - 2021
- Olivia Boyd 2025 Trip to Peru
- Olivia Coupland-Smith - 2024
- Olivia Greece 2025
- Olivia Grocott - 2022
- Olivia Hall Costa Rica
- Olivia Hardinges - 2023
- Olivia Inspires
- Olivia Jarvis - 3rd year - 2023
- Olivia Kinnear - Dash to Dubrovnik 2023
- Olivia Longmuir 2022
- Olivia Marcus World Challenge Croatia 2018 - Olivia Marcus
- Olivia Moore Tanzania Adventure
- Olivia N 2020
- Olivia Rose Vann - World Challenge Montenegro 2025
- Olivia Ryding - 2021
- Olivia Stott - 2021
- Olivia Taplin - 2022
- Olivia Timms’ Camps International Tanzania 2027
- Olivia Travelling To Peru In Summer 2026
- Olivia Vanni 2025
- Olivia Wolska World Challenge
- Olivia World Challenge 2025
- Olivia's Battle UK
- Olivia's Botswana Expedition
- Olivia's Closet
- Olivia's Masters
- Olivia's School Of Rhythmic Gymnastics
- Olivia's Surviving Architecture School
- Olivia's Trip To Nepal
- Olivia's Uni Fund
- Olivias Fund
- Olivia’s Kenya Camp International Fundraiser
- Olivia’s Uni Fund
- Oliwia Drabik
- Oliwia Waliszewska 2021
- Oliwia's Masters Degree
- Oliwia's Uni Savings
- Ollaberry School Fund - Shetland
- Ollerton FC
- Ollerton Girls Venture Corps Air Cadets
- Ollerton Rugby Club
- Olli Jerram - Global Action Borneo - Charity Challenge
- Ollie Barron’s Borneo Expedition
- Ollie Bowers World Challenge Nepal 2025
- Ollie Eastwood 1st Year
- Ollie King - 2019
- Ollie Kirk Tennis Academy
- Ollie Lunn's GB Kickboxing Journey
- Ollie McCormack World Challenge Fund
- Ollie and Friends Cat Rescue
- Ollie's Army
- Ollie's Fund
- Ollie's World Challenge Namibia
- Ollies Army Battling Against Battens
- Ollie’s PGCE Fund
- Olly Bradley School Residential Trip
- Olly Earnshaw - 2021
- Olly Fairall Challenge
- Olly Forsyth for Team Scotland
- Olly World Challenge
- Olly's Hospital Tour
- Olney Community Allotment
- Olney Events
- Olney Ladies Hockey Club
- Olney Netball Club
- Olney Pre-School
- Olney Rugby Football Club
- Olney Town Colts FC
- Olney Town Council
- Olney Town Cricket Club
- Olney United Reformed Church
- Olney Youth Centre & Rural Clubs
- Olob Basketball