Tomonobu (written: 伴信, 友信, 知伸, 智信 or 朝信) is a masculine Japanese given name. Notable people with the name include:
Tomonobu Hayakawa (早川 知伸, born 1977), Japanese footballer
Tomonobu Hiroi (廣井 友信, born 1985), Japanese footballer
Tomonubu Imamichi (今道 友信, 1922–2012), Japanese philosopher
Tomonobu Itagaki (板垣 伴信, born 1967), Japanese video game designer
Saito Tomonobu (斎藤 朝信, 1527–1591), Japanese samurai
Tomonobu Shimizu (清水 智信, born 1981), Japanese boxer
Tomonobu Yokoyama (横山 知伸, born 1985), Japanese footballer
