Ryūsei (written: 竜青, 竜星, 隆聖, 隆成, 流星 or 劉生) is a masculine Japanese given name. Notable people with the name include:

, Japanese actor , Japanese kickboxer

Ryusei Furukawa (1893–1968), Japanese painter , Japanese baseball player , Japanese painter , Japanese kickboxer , Japanese actor Ryusei Nishioka (西岡隆成, born 2003), Japanese trampoline gymnast , Japanese sumo wrestler , Japanese footballer , Japanese baseball player , Japanese handball player , Yoshinkan aikido master , Japanese footballer , Japanese basketball player , Japanese footballer , Japanese baseball player , Japanese snowboarder , Japanese motorcycle racer

See also Ryūsei (disambiguation)