Judas Tree is a common name for a flowering tree, Cercis siliquastrum from which Judas Iscariot is reputed to have hanged himself.
Judas Tree may also refer to:
- Other flowering tree species in the genus Cercis
- The Judas Tree, a 1961 novel by A. J. Cronin
- The Judas Tree (ballet), by Kenneth MacMillan
- "The Judas Tree" (Jonathan Creek), an episode of Jonathan Creek