Yūichi, Yuichi or Yuuichi is a masculine Japanese given name. Notable people with the name include:
Yuichi Akasaka (born 1967), Japanese short track speed skaterYuichi Honda (born 1984), Japanese baseball playerYuichi Kodama, Japanese video directorYūichi Komano (born 1981), Japanese football playerYuichi Mizutani (born 1980), Japanese football playerYuichi Nakagaichi (born 1967), former volleyball player from JapanYuichi Nakamaru, member of the boy band 'KAT-TUN'Yuichi Nakamura (actor) (born 1987), Japanese actorYuichi Nakamura (voice actor) (born 1980), Japanese voice actorYuichi Nemoto (born 1981), Japanese football playerYuichi Nishimura (born 1972), Japanese football refereeYuichi Ogawa (born 1946), Japanese politician of the Liberal Democratic PartyYuichi Onda (born 1980), Japanese cross-country skierYūichi Sasamoto (born 1963), Japanese science fiction writerYuichi Shibakoya (born 1983), Japanese football playerYūichi Suzumoto (born 1969), male Japanese novelistTakahashi Yuichi (1828–1894), Japanese painterYuichi Takai (born 1932), Japanese authorYuichi Tsuchiya (born 1979), Japanese actor and full-time member of the 4-man theatre troupe pnishYuichi Yamauchi (born 1984), Japanese football player