Momo may refer to:
- Monochorionic-monoamniotic presentation of identical twins
- Peach, a tree fruit (from "momo", romanization of the Japanese 桃, for peach)
- Momo (food), a dumpling popular in South Asia
- MOMO (company), manufacturer of automotive and racing gear
- MoMo, abbreviation of Mozilla Messaging
- MOMO syndrome, a rare genetic disorder
- Siemens Modular Metro, a brand of electric train vehicle system
- Joffrey Tower, originally named "Modern Momentum Building"
- [ MoMO Galerie], an art space gallery in Paris curated by Romaric Tisserand and Margherita Ratti
- Momo, a religious slur against people of the Mormon faith.
- Internet phrase. Used to express sympathy. Created in the inside forum of Zhejiang University, China.
- MoMo, a derogatory term used in reference to practitioners of Momentum investing
- Momo (singer), a J-pop singer who is a former member of "I've Sound" and a member of Por
- Rei Momo, an album by David Byrne
- "Momo", a Jazz instrumental song by Mindi Abair, from the album It Just Happens That Way
- Momoko Tsugunaga, a j-pop singer and idol, member of group Berryz Koubou
Anime, manga, animation, and Japanese folklore
- Momotarō (Peach Boy), a popular hero from Japanese folklore
- Momo Sohma, a character from the manga and anime Fruits Basket
- Momo Hinamori, a character in the manga Bleach
- Magical Princess Minky Momo
- Momo Adachi, a main character in the manga series Peach Girl (ピーチガール)
- Takeshi Gouda, nicknamed "Momo", a main character in the manga Tramps Like Us (きみはペット)
- MOMO, a main character from the film Madame Rosa, directed by Moshé Mizrahi
- Takeshi Momoshiro, from Prince of Tennis
- Momoha Odori, from Gakuen Utopia Manabi Straight!
- Momo (Avatar: The Last Airbender), Aang's pet winged lemur on the animated television series Avatar: The Last Airbender
- Momo, Fuu's pet Japanese dwarf flying squirrel, in the anime series Samurai Champloo
- Momo, Mr. Kim's pet flying squirrel, in the Japanese film Executive Koala
- Momo Belia Deviluke, Lala's younger sister, in the manga and anime series To Love-Ru
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