Robert Lynch may refer to:

• Robert Nugent Lynch (born 1941), bishop of St. Petersburg, Florida
• Robert Clyde Lynch (1880–1931), American physician
• Robert Lynch (Wisconsin politician) (1881–1959), baseball player and Wisconsin state assemblyman
• Robert L. Lynch, American arts administrator
• Robert M. Lynch (born 1976), American businessman
• Bob Lynch (musician) (1935–1982), Irish folk musician and member of the Dubliners
• Bob Lynch (footballer) (born 1944), Australian rules footballer
• Robert Lynch (Auckland cricketer) (born 1982), New Zealand cricketer
• Robert Lynch (Wellington cricketer) (1856–1938), New Zealand cricketer
• Rob Lynch (born 1986), English singer-songwriter and teacher