Shūsaku
| Gender | Male | 
|---|---|
| Origin | |
| Word/name | Japanese | 
| Meaning | Different meanings depending on the kanji used | 
Shūsaku, Shusaku or Shuusaku is a masculine Japanese given name. Notable people with the name include:
- Chiba Shusaku Narimasa (千葉 周作 成政; 1793–1856), Japanese swordsman
 - Honinbo Shusaku (本因坊 秀策; 1829–1862), Japanese professional Go player
 - Shusaku Arakawa (荒川 修作; 1936–2010), Japanese artist and architect
 - Shūsaku Endō (遠藤 周作; 1923–1996), Japanese author
 - Shusaku Hirasawa (平沢 周策; born 1949), Japanese footballer
 - Shusaku Nishikawa (西川 周作; born 1986), Japanese footballer
 - Shusaku Sugiuchi (杉内 周作), Japanese Paralympic swimmer
 - Shusaku Tokita (鴇田 周作; born 1990), Japanese footballer