- Name: Tsugunaga Momoko (嗣永桃子)
- Nickname: Momo, Momo-chan, Tsugu-chan, Momochi, Pi-chicchi
- Birthdate: March 06, 1992
- Birthplace: Chiba, Japan
- Blood Type: O
- Height: 149.8cm (4'11")
- Hello! Project Groups:
- Concert Units:
- Shuffle Units:
- 2004: H.P. All Stars
Hello! Project Daihyakka (2004) Details
- Hobby: Reading manga! I love manga!
- Special skill: I can sleep anywhere!?
- Strong point: I guess doing my best till the end even if I'm not good at it??
- Weak point: Always taking up lots of time no matter what I do!
- Habit: When I'm nervous, my voice gets higher?
- Favorite color: Pink, Yellow
- Favorite flower: Tulip (red ones)
- Disliked thing to do: Dance...
- Scared of: Rollercoasters, haunted houses...
- Favorite movie: "Hamutarou"!!
- Favorite book: Manga
- Favorite word: "Itsumo happy" (always happy)
- Favorite season: Fall!! Because there's lots of delicious things to eat
- Favorite food: Sea urchin, kanpachi, crab
- Least favorite food: Green peas
- Favorite song: "Uwaki na Honey Pie" (Country Musume ni Konno to Fujimoto)
- Charm point: Eyelashes! They're a bit longer than most people's!
Tsugunaga Momoko joined Hello! Project as one of the fifteen Hello! Project Kids. She played the lead protagonist in the 2002 Hello! Project movie Koinu Dan no Monogatari. In 2003, she was a member of the one-shot unit ZYX and released two singles with the group before it became inactive.
- [2007.06.19] momo Template:amazon.jp
- [2008.03.19] momo16 -ももいろ- (momo16 -Momoiro-) 
- [2008.11.21] Momo No Mi
- [2002-12] 仔犬ダンの物語 (Romaji: Koinu Dan no Monogatari; English: Puppy DAN's story)
- [2004-07] Promise Land ～クローバーズの大冒険～ (Romaji: Promise Land ~Clovers no Daibouken~; English: Promise Land ~Clover's Adventure~)
- [2008.07.01–Present] ドガドガ７ (Dogadoga 7)
- She is easily distinguishable among the other members of Berryz Koubou because of her height and her unique singing voice.
- Has a younger brother.
- Her favorite artist is Sakurazuka Yakkun.
- Dislikes festival clowns, and still screams when she sees them.
- Hates green "matcha" tea, though likes sweetened beverage green tea.
- Has a habit of sticking out her pinky, although she has tried to get rid of that habit recently. Inaba Atsuko, on Gyao's Hello Pro Hour, confronted her about it.
- Hello! Project Kids Audition song: Koi wo Shichaimashita! (Tanpopo).
- English Wikipedia: Momoko Tsugunaga
- H!P Kids fansite - Tsugunaga Momoko-chan Corner
- Tsugunaga Momoko B.L.T U-17 Questionnaire