Toshiaki (written: 俊昭, 俊明, 俊彰, 利明, 利晃, 利秋, 利彰, 寿明, 敏昭, 敏明, 敏晃 or 登志晃) is a masculine Japanese given name. Notable people with the name include:
Toshiaki Araki (荒木 敏明) (born 1942), Japanese fencerToshiaki Endo (遠藤 利明) (born 1950), Japanese politicianToshiaki Fukuda (福田 敏昭) (born 1980), Japanese field hockey playerToshiaki Fushimi (伏見 俊昭) (born 1976), Japanese cyclistToshiaki Haji (羽地 登志晃) (born 1978), Japanese footballerToshiaki Hirose (廣瀬 俊明) (born 1981), Japanese rugby union playerHonda Toshiaki (本多 利明) (1744–1821), Japanese mathematicianToshiaki Imae (今江 敏晃) (born 1983), Japanese baseball playerToshiaki Imai (今井 敏明) (born 1954), Japanese footballer and managerToshiaki Inoue (井上 敏明) (born 1951), Japanese triple jumperToshiaki Iwashiro (岩代 俊明) (born 1977), Japanese manga artistToshiaki Karasawa (唐沢 寿明) (born 1963), Japanese actorToshiaki Kosedo (小瀬戸 俊昭) (born 1941), Japanese volleyball playerToshiaki Ishizuka (石塚 俊明) (born 1950), Japanese musicianToshiaki Kasuga (春日 俊彰) (born 1979), Japanese comedianToshiaki Kawada (川田 利明) (born 1963), Japanese professional wrestlerKirino Toshiaki (桐野 利秋) (1838–1877), Japanese samurai and generalToshiaki Kurasawa (倉澤 利彰) (born 1976), Japanese swimmerToshiaki Nishioka (西岡 利晃) (born 1976), Japanese boxerToshiaki Odate (小達 敏昭) (born 1968), Japanese golferToshiaki Tanaka, Japanese table tennis playerToyozakura Toshiaki (豊桜 俊昭) (born 1974), Japanese sumo wrestlerToshiaki Toyoda (豊田 利晃) (born 1969), Japanese film director and screenwriter