Doru is a Romanian male name, probably derived from Tudor, the Romanian version of Theodore.
Notable personalities with this name:
Doru Borobeică, guitarist Doru Davidovici (1945–1989), aviator and writer Doru Popovici (1932–2019), composer Doru-Viorel Ursu (1953–2024), politician
References Doru at behindthename.com