Yūichi, Yuichi or Yuuichi is a masculine Japanese given name. Notable people with the name include:
Yuichi Akasaka (born 1967), Japanese short track speed skater
Yuichi Honda (born 1984), Japanese baseball player
Yuichi Kodama, Japanese video director
Yūichi Komano (born 1981), Japanese football player
Yuichi Mizutani (born 1980), Japanese football player
Yuichi Nakagaichi (born 1967), former volleyball player from Japan
Yuichi Nakamaru, member of the boy band 'KAT-TUN'
Yuichi Nakamura (actor) (born 1987), Japanese actor
Yuichi Nakamura (voice actor) (born 1980), Japanese voice actor
Yuichi Nemoto (born 1981), Japanese football player
Yuichi Nishimura (born 1972), Japanese football referee
Yuichi Ogawa (born 1946), Japanese politician of the Liberal Democratic Party
Yuichi Onda (born 1980), Japanese cross-country skier
Yūichi Sasamoto (born 1963), Japanese science fiction writer
Yuichi Shibakoya (born 1983), Japanese football player
Yūichi Suzumoto (born 1969), male Japanese novelist
Takahashi Yuichi (1828–1894), Japanese painter
Yuichi Takai (born 1932), Japanese author
Yuichi Tsuchiya (born 1979), Japanese actor and full-time member of the 4-man theatre troupe pnish
Yuichi Yamauchi (born 1984), Japanese football player
