Mariette

'''Mariette''' or '''Mariëtte''' may signify:

;Family name: *Auguste Mariette (1821–1881), pioneering Egyptologist. *Pierre-Jean Mariette (1694–1774), connoisseur and chronicler of artistic life in Paris

;Given name: *Mariette Bosch (died 2001), South African murderer executed by Botswana *Mariëtte Drewes (born 1967), Dutch chess player *Mariëtte Hamer (born 1958), Dutch politician and trade union leader *Mariette Hansson (born 1983), sometimes MaryJet or simply mononym Mariette, Swedish singer and songwriter *Mariëtte Patijn (born 1966), Dutch politician

;Others *''Mariette'', a yacht built by Nathanael Greene Herreshoff in 1915

{{given name|type=both}}