Moo moo
Moo moo or variation, may refer to:

 Muumuu (aka moomoo), a loose dress of Hawaiian origin
 "Moo Moo" (Brooklyn Nine-Nine), a 2017 TV episode of Brooklyn Nine-Nine
 Moo Moo Restaurant, a chain of buffet restaurants in Moscow, Russia
 Moomoo Inc., an American stock brokerage owned by Futu
 Sürengiin Möömöö, (1930–2021), a Mongolian linguist and chess player

See also

 
 
 Moo (disambiguation)
 Moo2 (disambiguation)
 Mumu (disambiguation)
 Muumuu (disambiguation)