Orange Tree or Orange Trees may refer to:
- Citrus × sinensis, the species of tree that produces sweet oranges
- Bay Tree (Fabergé egg), also known as the Orange Tree egg
- HMS Orange Tree, the name of three Royal Navy vessels
- Mother Orange Tree, the oldest living orange tree in Northern California, U.S.
- My Sweet Orange Tree (film), a 2012 Brazilian drama film
- Orange Tree, Altrincham, a former pub in Greater Manchester, England
- Orange Tree Boys, the alter ego of the former English experimental rock band Black Midi
- Orange Tree Theatre, a theatre in Richmond, London, England
- "Orange Trees", a song by Welsh singer and songwriter Marina
- Orangetree, Florida, a census-designated place in Collier County, Florida, U.S.
- "The Orange Tree", a poem by Australian poet John Shaw Neilson