Begin or Bégin is a surname. Notable people with the surname include:
Benny Begin (born 1943), Israeli politician Catherine Bégin (1939–2013), Canadian actress Charles Auguste Frédéric Bégin (1835–1901), French general and Acting Governor of Cochinchina Floyd Lawrence Begin (1902–1977), American Roman Catholic bishop Jean Bégin (1944–1991), Canadian ice hockey coach Johanne Bégin (born 1971), Canadian water polo player Joseph-Damase Bégin (1900–1977), Canadian politician Louis-Nazaire Bégin (1840–1925), Canadian Roman Catholic Church prelate Menachem Begin (1913–1992), Israeli prime minister Monique Bégin (1936–2023), Canadian politician Paul Bégin (born 1943), Canadian politician René Bégin (1912–1980), Canadian politician Romeo Bégin (1895–1972), Canadian politician Steve Bégin (born 1978), Canadian ice hockey player