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 Activity Day Camps
- Odds Farm Park (Wooburn Common)
- Odeon Cinema (Aylesbury)
- Oglee Poglee
- Old MacDonald's Day Nursery
- Ollie Owl Day Nursery
- On location | Sunday 4 August (Burnham Beeches)
- One Can Trust Foodbank (South Bucks)
- One Recovery Bucks (ORB)
- One Recovery Bucks (ORB) | Drop-Ins (Aylesbury)
- One Recovery Bucks (ORB) | Drop-Ins (Buckingham)
- One Recovery Bucks (ORB) | Drop-Ins (Burnham)
- One Recovery Bucks (ORB) | Drop-Ins (Chesham)
- One Recovery Bucks (ORB) | Drop-Ins (Wycombe)
- One to One Cycle Training for all levels
- One to one tutoring with a difference
- Online Learning College
- OnLine Training Limited (OLT)
- Open Door Toddler Group
- Open Gym at Aylesbury Cheerleading Academy (Aylesbury)
- Open sessions at Inspire Football Coaching (Aylesbury)
- 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 the Bridge (High Wycombe)
- 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
