Oak Tree
- An Oak Tree
- Demetrius Edwards
- Morris Day
- Oak (disambiguation)
- Oak Tree Derby
- Oak Tree Grand Prix
- Oak Tree Invitational Stakes
- Oak Tree Mile Stakes
- Oak Tree National
- Oak Tree Press
- Oak Tree Racing Association
- Oak Tree Stakes
- Oak Tree Village, California
- Oak Tree, County Durham
- Oak Tree, New Jersey
- Oak tree
- OakTree Software
- Oaktree Arena
- Oaktree Capital Management
- The Oaktree Foundation