Robert Kerr may refer to:
- Robert Kerr, 1st Marquess of Lothian (1636–1703), Scottish nobleman
- Robert Kerr, 2nd Earl of Lothian (died 1624)
- Robert Kerr (architect) (1823–1904), British architect and writer
- Robert Kerr (Australian footballer) (born 1967), former Australian rules footballer
- Robert Kerr (doctor), Canadian doctor, Indian Department officer and judge
- Robert Kerr (writer) (1755–1813), Scottish writer
- Robert Kerr (athlete) (1882–1963), Canadian athlete & Olympic medalist
- Robert Kerr (musician), American musician and composer
- Robert John Kerr (1943–1997), Northern Irish loyalist
- Robert P. Kerr (1892–1960), film director
- Robert S. Kerr (1896–1963), governor of, and senator from, Oklahoma
- Robbie Kerr (born 1979), English racing driver
- Robbie Kerr (cricketer) (born 1961), Australian cricketer
- Bobby Kerr (businessman) Irish businessman (born 1960), CEO Insomnia Coffee
- Bobby Kerr (footballer) (born 1947), Scottish footballer who won the 1973 FA Cup
- Bob Kerr (musician) (born 1943), comic musician; member of the Bonzo Dog Doo-Dah Band, The New Vaudeville Band and Bob Kerr's Whoopie Band
- Bob Kerr (cricket official) (1939–2007), former head of the Irish Cricket Union