Hideaki (written: 秀秋, 英秋, 秀明, 英明, 秀朗, 秀昭, 英昭, 秀章, 秀聡 or 秀彰) is a masculine Japanese given name. Notable people with the name include:
Hideaki Anno (庵野 秀明) (born 1960), Japanese animator and film director
Hideaki Hagino (萩野 英明) (born 1973), Japanese footballer
Kobayakawa Hideaki (小早川 秀秋) (1577–1602), Japanese daimyō
Iba Hideaki (1648–1717), Japanese swordsman
Hideaki Ikematsu (池松 秀明) (born 1986), Japanese footballer
Hideaki Inaba (因幡 英昭) (born 1944), Japanese powerlifter
Hideaki Itō (伊藤 英明) (born 1975), Japanese actor
Hideaki Kaetsu (嘉悦 秀明) (born 1974), Japanese footballer
Hideaki Kamei (亀井 秀明) (born 1949), Japanese fencer
Hideaki Kase (加瀬 英明) (born 1936), Japanese diplomat
Hideaki Kawamura (河村 英昭) (born 1974), Japanese hurdler
Hideaki Kitajima (北嶋 秀朗) (born 1978), Japanese footballer
Hideaki Kobayashi (composer) (小林 秀聡) (born 1973), Japanese composer
Hideaki Kobayashi (diplomat) (小林 秀明) (born 1945), Japanese diplomat
Hideaki Matsuura (松裏 英明) (born 1981), Japanese footballer
Hideaki Miyamura (born 1955), Japanese-born American potter
Hideaki Mori (森 秀昭) (born 1972), Japanese footballer
Hideaki Nitani (二谷 英明) (1930–2012), Japanese actor
Hideaki Okabe (岡部 英明) (born 1959), Japanese politician
Hideaki Okubo (大久保 秀昭) (born 1969), Japanese baseball player
Hideaki Ōmura (大村 秀章) (born 1960), Japanese politician
Hideaki Ozawa (小澤 英明) (born 1974), Japanese footballer
Hideaki Sena (瀬名 秀明) (born 1968), Japanese pharmacologist and writer
Hideaki Sorachi (空知 英秋) (born 1979), Japanese manga artist
Hideaki Takatori (高取 秀明) (born 1967), Japanese singer and composer
Hideaki Takeda (武田 英明) (born 1985), Japanese footballer
Hideaki Takizawa (滝沢 秀明) (born 1982), Japanese actor and singer
Hideaki Tezuka (手塚 秀彰) (born 1954), Japanese actor and voice actor
Hideaki Tokunaga (德永 英明) (born 1961), Japanese singer-songwriter and actor
Hideaki Tominaga (富永 英明) (born 1976), Japanese footballer
Hideaki Tomiyama (富山 英明) (born 1957), Japanese sport wrestler
Hideaki Ueno (上野 秀章) (born 1981), Japanese footballer
Hideaki Utsumi (内海 秀明) (born 1973), Japanese video game composer
Hideaki Wakui (涌井 秀章) (born 1986), Japanese baseball player
Hideaki Yanagida (柳田 英明) (born 1947), Japanese sport wrestler
Fictional Character
Hideaki Kurashige, a fictional character from anime and manga series Miracle Girls