Rateau or Râteau may refer to:
People Armand-Albert Rateau (1882-1938), French furniture maker and interior designer Auguste Rateau (1863–1930), French engineer Jean-Pierre Rateau (1800–1887), French lawyer and politician Michel Rateau (born 1938), French composer Robert Rateau (born 1975), Mauritian international footballer
Other Le Râteau, mountain in the French Alps