Földi or Foldi is a Hungarian surname. Notable people with the surname include:
Andrew Földi (1926–2007), Hungarian-American singer Ernő Földi, Hungarian table tennis player Imre Földi (1938–2017), Hungarian weightlifter László Földi (1919–2001), Hungarian physicist László Földi (politician) (born 1952), Hungarian politician
See also
Foldy–Wouthuysen transformation, in physics, a unitary transformation Földes, Hungarian town