Tsuboi (written: 坪井, 壺井 or 壷井) is a Japanese surname. Notable people with the surname include:
- Keisuke Tsuboi (坪井 慶介, born 1979), Japanese footballer
- Sakae Tsuboi (壺井 栄, 1899–1967), Japanese writer and poet
- Shigeji Tsuboi (壺井 繁治, 1897–1975), Japanese poet
- Sho Tsuboi (坪井 翔, born 1995), Japanese racing driver
- Tatsuya Tsuboi (壷井 達也, born 2002), Japanese figure skater
- Tomochika Tsuboi (坪井 智哉, born 1974), Japanese baseball player
- Tomohiro Tsuboi (坪井 智浩, born 1971), Japanese voice actor
- Unoko Tsuboi (壷井 宇乃子, born 1917), Japanese swimmer
This page lists people with the surname Tsuboi.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.