Robert Hart, Bob Hart, or Bobby Hart may refer to:
- Bob Hart (1900–1993), a.k.a. Al Trace, American musician
- Bob Hart (bassist), American bass player
- Bobby Hart (songwriter) (born 1939), American songwriter
- Sir Robert Hart, 1st Baronet (1835–1911), Irish-born diplomat
- Robbie Hart, fictional character in the film The Wedding Singer
- Robert Hart (horticulturist) (1913–2000), British gardener
- Robbie Hart (cricketer) (born 1974), New Zealand cricketer
- Robert Hart (musician) (born 1958), English musician
- Robert Hart (politician) (1814–1894), New Zealand politician
- Bob Hart (umpire) (1879–1937), American baseball official
Famous quotes containing the word hart:
“Hate California—it’s cold and it’s damp.”
—Lorenz Hart (1895–1943)