People

• Mimi Rogers (born 1956), American actress
• Mimi Miyagi (born 1973), adult film actress
• Mimi Parent (1924-2005), artist
• Mimi Smith (1903-1992), John Lennon's maternal aunt and guardian.
• Mimi Umidon, American inventor
• Mimi Imfurst, (born 1983), New York City professional Drag Queen performer and actress.
• Mimí, the nickname of one of the singers, Irma Angélica Hernández Ochoa, of the popular Mexican group "Flans"
• Mimi, an endearing name for a grandmother and a very common nickname for Ethiopian girls
• Mimi, the nickname of Mariah Carey, originally between her family and close friends. Her 2005 comeback album "The Emancipation of Mimi" was named after this nickname.
• Mimi, one of the many names for the given name Maria in Bulgarian

Mythological and fictional characters

• MiMi host of Disney's One Saturday Morning played by Valarie Rae Miller
• Mimi (folklore), a fairy-like being in the mythology of Australian aborigines
• Mimi, a cartoon character featured in Muse (magazine)
• Mimi Morton, the main character of the Canadian animated series What about Mimi?
• Mimi Bobeck, a character from The Drew Carey Show played by Kathy Kinney
• Mimi Tachikawa, a fictional character from the animated series Digimon
• Mimi, a major fictional character in the opera La bohème
• Mimi Marquez, a character in Rent (musical), a musical based roughly on La Bohème
• Mimi from the game Super Paper Mario
• Mimi, a cartoon cat-thing, from the show Invader Zim
• Mimi, a minor character from the anime Mew Mew Power

Other uses

• Mimi, Nepal
• Mimi, New Zealand, a locality in Taranaki, New Zealand
• Mimi (magazine), a monthly manga magazine for girls published by Kodansha
• Mimi (rock), the name given by NASA to a flaky rock on Mars
• "Mimi" (song), a popular song by Rodgers and Hart
• The Mimi language, a name given to several languages of Wadai
• Mimivirus, the largest known virus affecting amoeba
• HMS Mimi and HMS Toutou, two boats that the British brought through Africa to Lake Tanganyika to fight the Germans in 1915
• 1127 Mimi, an asteroid orbiting the Sun