Lantos is a Hungarian surname. Notable people with the surname include:
Csaba Lantos (born 1943), Hungarian volleyball player Csaba Lantos (born 1962), Hungarian economist Gabriella Lantos (born 1970), Hungarian fencer John D. Lantos (born 1954), American paediatrician László Lantos (1938–2019), Hungarian swimmer Mária Balla-Lantos (born 1944), Hungarian swimmer Mihály Lantos (1928–1989), Hungarian footballer and manager Peter Lantos (born 1939), British scientist Robert Lantos (born 1949), Canadian film producer Tom Lantos (1928–2008), American politician