Services for O
- Oak Green School
- Oakfield Road Park (Aylesbury)
- Oakley Baby & Toddler Group (Aylesbury)
- Oakley C of E Combined School
- Oakley Pre-School
- Oakridge School
- Oakwood Home Learning | distance learning college
- Oasis | Self-Help Bereavement Group (Flackwell Heath, High Wycombe)
- Occupational Therapy Team
- Odds Farm Park (Wooburn Common)
- Odds Farm Park Day Nursery and Activity Day Camps (Nursery and Pre-School)
- Odeon Cinema (Aylesbury)
- Oglee Poglee
- Old MacDonald's Day Nursery
- Ollie Owl Day Nursery (Chesham)
- On My Mind | Mental Health Support Website
- One Can Trust Foodbank (South Bucks)
- One Day Blacksmithing Workshops | 8 December and 26 January
- One Day Creative Writing Courses
- One Recovery Bucks (ORB)
- One Recovery Bucks (ORB) | Drop-in (Burnham)
- One Recovery Bucks (ORB) | Drop-in (Chesham)
- One Recovery Bucks (ORB) | Drop-in (Wycombe)
- One Recovery Bucks (ORB) | Drop-Ins (Aylesbury)
- One Recovery Bucks (ORB) | Drop-Ins (Buckingham)
- Online Learning College
- OnLine Training Limited (OLT)
- Open Door Toddler Group
- Open Gym at Aylesbury Cheerleading Academy (Aylesbury)
- Open House Family Theatre Club at the Aylesbury Waterside Theatre
- Open sessions at Inspire Football Coaching (Aylesbury)
- Options The Old Vicarage
- Options West London Community College (Hayes)
- Oratto | Free Divorce, Separation and Child Arrangements Information and Advice
- Orchard Hill College | Specialist College for those with SEND
- Orchard View Farm (Little Meadle)
- Orienteering! (Denham)
- Origym Personal Trainer Course (High Wycombe)
- Otters Brook Play Area (Buckingham)
- Our Lady's Catholic Primary School
- OutLoud LGBT and Youth Group (High Wycombe)
- Over 50’s Badminton and Short Tennis Club
- Over the Bridge | Autumn Programme
- Over the Moon
- Overn Avenue Open Space (Buckingham)
- Overstone Combined School
- Oving Village Recreation Ground (Aylesbury)
- Oxford Hypnobirthing | Hypnobirthing classes and pregnancy hypnotherapy
- The Oxfordshire and Buckinghamshire Light Infantry Museum