Mari may refer to:
- Mari (given name)
- Mari language, Uralic language
- Mari people, Volga-Finnic people
- Places
- Mari El Republic, a federal subject of Russia
- Mari Autonomous Oblast (1920–1936), an administrative division of the Russian SFSR, Soviet Union
- Mari Autonomous Soviet Socialist Republic (1936–1990), an administrative division of the Russian SFSR, Soviet Union
- Mari, Syria, ancient near eastern city
- Mari, Cyprus, a village
- Mari, Iran (disambiguation), places in Iran
- Mari Indus, a town in Mianwali District, Punjab, Pakistan
- Mari, Punjab, a village and a union council in Pakistan
- Mari, Brazil, a city in the state of Paraíba
- Religion
- Mari (goddess) of Basques
- Māri, India goddess a.k.a. Mariamman
- People
- Saint Mari (fl. c. 100?), Mesopotamian religious leader
- José Mari (born 1978), Spanish football player
- Mari (1903–1987), Japanese novelist a.k.a. Mori Mari
- Mari Possa (born 1980), Salvadoran actress
- Mari Alkatiri (born 1949), Prime Minister of East Timor from 2002 to 2006
- Marianne Steinbrecher, known as Mari (born 1983), Brazilian volleyball player
- Other uses
- Mari Iyagi, fictional character in My Beautiful Girl, Mari