Cause Directory: O
- Oxford Students for Life
- Oxford Sunnyside
- Oxford Transplant Foundation
- Oxford Union Society
- Oxford United Walking Football Club
- Oxford United in the Community
- Oxford University Athletics Club
- Oxford University Badminton Club
- Oxford University Canoe and Kayak Club
- Oxford University Club Cricket Club
- Oxford University Contemporary Dance
- Oxford University East Finnmark 2018 - Holly Unwin
- Oxford University Gymnastics Club
- Oxford University Ice Hockey Club
- Oxford University Lacrosse Club
- Oxford University Lightweight Rowing Club
- Oxford University Music Society
- Oxford University Orchestra
- Oxford University Powerlifting Club - OUPLC
- Oxford University Walking Club
- Oxford University Wind Orchestra US Tour 2017
- Oxford Urban Wildlife Group
- Oxford Vineyard Church
- Oxford Volleyball Club
- Oxford Wheels of Gory Roller Derby
- Oxford Women's Basketball
- Oxford Wood Recycling
- Oxford Young Steps - First Floor Fund
- Oxford and Bletchingdon Nondescript CC Player Incentives
- Oxford and District Mencap
- Oxford and Witney Artistic Swimming Club
- Oxfordshire Badger Group
- Oxfordshire Breastfeeding Support
- Oxfordshire Community Land Trust
- Oxfordshire Community and Voluntary Action
- Oxfordshire Contemporary Opera
- Oxfordshire Crossroads
- Oxfordshire D.A.
- Oxfordshire Diabetes Education Fund - 0095
- Oxfordshire Discovery College
- Oxfordshire Drama Wardrobe Collection
- Oxfordshire Family Mediation
- Oxfordshire Family Support Network
- Oxfordshire Football Association
- Oxfordshire Foster Carers Association
- Oxfordshire Historic Churches Trust
- Oxfordshire Mind
- Oxfordshire Playbus
- Oxfordshire Railway Society
- Oxfordshire Ringing Group
- Oxfordshire Scouts Bosnia 2022
- Oxfordshire Scouts Jamboree Unit South Korea 2023
- Oxfordshire Scouts Kenya 2017
- Oxfordshire Scouts Poland 2020 - Philippa Mason
- Oxfordshire West Foodbank
- Oxfordshire Wildlife Rescue
- Oxfordshire Young Farmers Clubs
- Oxfordshire Youth
- Oxfordshire Youth Brass
- Oxfordshire and District Brass Band Association
- Oxfordshire, Buckinghamshire and Northants SERV
- Oxgang Primary School PTA - Kirkintilloch
- Oxgangs After School Club
- Oxgangs Neighbourhood Centre
- Oxgangs Primary PTA
- Oxhey Early Years Nursery
- Oxhey First School PTFA, Biddulph
- Oxhill House Support Services
- Oxhill Nursery School
- Oxhill Village Hall
- Oxhill Youth Club
- Oxjam Carmarthen Takeover
- Oxjam Colchester Takeover
- Oxjam Lichfield 2019
- Oxney Vines Cross Tug Of War
- Oxon Helicopter Collective
- Oxon School PTA
- Oxon Scouting Jamboree Japan 2016
- Oxshott Choral Society
- Oxshott Guides, Brownies and Rainbows
- Oxshott Scouts
- Oxshott Village Sports Club
- Oxspring Primary School, Oxspring
- Oxted & District JFC
- Oxted & District U15 FC
- Oxted Band
- Oxted Hockey Club
- Oxted One World Group
- Oxted Operatic Society
- Oxted Preschool
- Oxted School
- Oxted Scout Group
- Oxted and District Link Association - Link Porter Trust
- Oxted and Limpsfield Choral Society
- Oxton Cricket and Sports Club
- Oxton Hockey Club
- Oxton Ladies FC
- Oxton Ladies Football Club u15s
- Oxton Parkonians Rugby Club
- Oxton St Saviour's CE Primary School, Prenton
- Oxton St Saviour's Church
- Oxygen And Wellness Therapy Centre
- Oxygen Therapy Center
- Oxygen for India
- Oxylus Explorers
- Oyana International, Inc.
- Oyin Adepoju 2021
- Oyne Primary School, Insch
- Oyne School PTA - Insch
- Oyster Indoor Bowls Club
- Oyster Project Charity
- Oysterfields Explorer Scouts
- Oystermouth Primary School PTA
- Oysterworldwide South Africa 2016 - Hope Wall
- Oz Moot Fund - Emily Armitage
- OzCampsIntTan
- Ozer Umagen / Gezint
- Ozge's Post Grade Saving
- Ozo's University Fund
- Ozzy Sayers - World Challenge
- Ozzy the Rottweiler 2023 - Koadie Hutchinson
- O’Halloran Hill Pelicans FC
- oge saving
- omar
- one nation welfare trust uk
- one woman Read-a-thon for MIND
- operation wallacea Madagascar 2017 - Megan Oldridge
- originalprojects
- outlook expeditions - Borneo 2025 - Lewis Rich
- outlook expeditions-Tanzania 2025-Charlie Bourne