Sergiu
Sergiu is a Romanian male given name as a Romanian form of the Roman family name Sergius .
Name bearer
- Sergiu Balan (* 1987), Moldovan biathlete
- Sergiu Buș (* 1992), Romanian football player
- Sergiu Celibidache (1912–1996), Romanian-German conductor
- Sergiu Cioban (* 1988), Moldovan racing cyclist
- Sergiu Costin (* 1978), Romanian football player
- Sergiu Homei (* 1987), Romanian football player
- Sergiu Klainerman (* 1950), Romanian-American mathematician
- Sergiu Nicolaescu (1930–2013), Romanian actor, film director and politician
- Sergiu Radu (* 1977), Romanian football player
- Sergiu Samarian (1923–1991), Romanian chess player, writer and trainer
- Sergiu Sârbu (* 1960), Moldovan football player
- Sergiu Singer (* 1928), German architect, set designer and writer