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 (company), an American stock brokerage owned by Futu
• Sürengiin Möömöö, (1930–2021), a Mongolian linguist and chess player