Valentin Ivanov may refer to:
Valentin Ivanov (astronomer) (born 1967), Bulgarian astronomer Valentin Ivanov (footballer, born 1934) (1934–2011), Soviet football player and coach Valentin Ivanov (footballer, born 1961), Soviet football player and Russian referee Valentin Ivanov (footballer, born 2000), Bulgarian footballer Valentin Ivanov (wrestler) (born 1966), Bulgarian Olympic wrestler Valentin Ivanov, Deputy Minister in Ministry of Economy, Energy and Tourism (Bulgaria)