Davidian may refer to:
- Shepherd's Rod, a Seventh-day Adventist offshoot that later called themselves Davidians
- Branch Davidian, the most famous Shepherd's Rod splinter group, decimated in the Waco siege.
- Davidian (song) by Machine Head from their album Burn My Eyes, also widely covered by other metal bands
- Davidian Revolution, changes in Scotland during King David I
- Davidian (surname), originating from an Armenian background