Pénaud or Penaud is a French surname, and may refer to:
People
Alain Penaud (born 1969), French rugby union player Alphonse Pénaud (1850–1880), French pioneer of aviation design and engineering Charles Pénaud (1800–1864), French naval officer who rose to the rank of vice-amiral Damian Penaud (born 1996), French rugby union player.
Other
Mount Pénaud, mountain in the Chavdar Peninsula, Graham Land, Antarctica