- Name: Sudou Maasa (須藤茉麻)
- Birthdate: 1992-07-03
- Nicknames: Maa (まあ), Maasan, Mama, Suu-chan
- Blood Type: O
- Birthplace: Tokyo, Japan
- Height: 170cm (5'7")
- Hello! Project Groups:
- Concert Units:
- Shuffle Units:
- 2004: H.P. All Stars
Hello! Project Daihyakka (2004) Details
- Hobby: Making cookies, collecting stickers
- Special skill: Drawing character art!!
- Strong point: Good at looking after younger kids?
- Weak point: Spacing out
- Habit: It's gone now
- Favorite color: Blue, red
- Favorite flower: Violet
- Disliked thing/thing to do: Bugs (all)
- Scared of: Bugs
- Favorite movie: "Sen to Chihiro no Kamikakushi"
- Favorite book: "Ranma 1/2," "Candy Candy"
- Favorite word: "LOVE"
- Favorite season: Fall
- Favorite food: Sushi, umeboshi, fish
- Least favorite food: Eggplant
- Favorite song: Shabondama (Morning Musume)
- Charm point: Eyes
Sudou Maasa joined Hello! Project as one of the fifteen Hello! Project Kids. She made her debut as one of the 4KIDS in the Minimoni ja Movie Okashi na Daibouken! film as well as on Minimoni's 6th single.
In 2004, Sudou was one of the eight members selected to form Berryz Koubou.
- [2002-12] ミニモニ。じゃム→ビ→お菓子な大冒険！ (Romaji: Minimoni ja Movie Okashi na Daibouken!)
- Has an older brother and a younger sister.
- Owns two Mini Dax dogs (named Candy and Ururu) and a Holland Lop rabbit (named Taremi).
- Her favorite artists are Sakurazuka Yakkun and SUMMERS.
- Was once known for her height when Berryz Koubou was first formed, but she was surpassed in height in 2004 by Kumai Yurina.
- Known for her "my pace" character, and for her cool presence.
- Once had a very noticeable lisp, but it has faded as she has gotten older.
- Is very good with kanji.
- Hates fish.
- Is scared of water.
- Has recently (2007) named her charm points as her eyes and her lips.
- Has said she is going to read 10 books before the end of 2008.
- Is good friends with Tokunaga Chinami and Kumai Yurina.
- She appears on the pv of Boogie Train '03 along with Tsugunaga Momoko, Tokunaga Chinami and Umeda Erika..
- English Wikipedia: Maasa Sudou
- H!P Kids fansite - Sudou Maasa-chan Corner
- Sudou Maasa B.L.T U-17 Questionnaire