- Name: Nishida Shiori (西田汐里)
- Nickname: Nishi (ニシ), Shiorin (しおりん)
- Birthdate: June 7, 2003
- Birthplace: Kyoto, Japan
- Blood Type: B
- Height: 151cm
- Specialties: Massage
- Hobbies: Watching Hello! Project videos, shopping, taking a nap
- Looks Up To: Fukumura Mizuki
- Hello! Project groups:
Nishida Shiori first appeared as a member of Hello Pro Kenshuusei in an official website update on August 17, 2016, alongside fellow members Kawamura Ayano, Yokoyama Reina, Yoshida Marie, Yamazaki Yuhane, and Hashisako Rin. She made her first live appearance and was formally introduced the following month at the "Hello! Project Kenshuusei Happyoukai 2016 9gatsu ~SINGING!~" recital on September 4th.
Nishida was awarded the Judges Character Award on May 6, 2018 at the "Hello! Project Kenshuusei Happyoukai 2018 ~Haru no Koukai Jitsuryoku Shindan Test~" event afer performing "Golden Chinatown" by Berryz Kobo. On June 9, 2018 during the "Hello! Project Kenshuusei Happyoukai 2018 6gatsu ~Niji~" event in Tokyo, it was announced that Nishida would join the upcoming group featuring previously announced leader Ichioka Reina, along with Shimakura Rika and Eguchi Saya. The group would be unveiled at a later date in 2018.
-  JK Ninja Girls (JKニンジャガールズ)
- TV Programs
-  Hello Pro no Oshigoto Challenge! (ハロプロのお仕事チャレンジ!)
-  Hello Pro Kouhaku Taiko THE☆BATTLE 2019 (ハロプロ紅白対抗 ザ☆バトル2019)
-  Hello Pro no Oshigoto Challenge! 2 (ハロプロのお仕事チャレンジ!2)
-  Kagome GO! ME. "ONE DAY"
- Music Videos
-  Nega Poji Poji (ネガポジポジ)
-  Bokutachi Karen na Shounen Gasshoudan (僕たち可憐な少年合唱団) (as Yoko and Yohan, team ♯Gumi)
-  Attack No.1 (アタックNo.1)
-  Fushigi no Kuni no Alice Tachi (不思議の国のアリスたち)
-  Harukanaru Toki no Naka de 6 Gaiden ~Tasogare no Kamen~ (遙かなる時空の中で６ 外伝 ~黄昏ノ仮面~) (guest)
-  Reborn ~13-nin no Tamashi wa Kami-sama no Yume wo Miru~ (リボーン~13人の魂は神様の夢を見る~) (as Shakespeare)
-  Arabeyooooonds Nights (アラビヨーンズナイト) (as Arai Misuzu)
- [2019–] Kanazawa Tomoko no Vivid Midnight (金澤朋子のVivid Midnight)
- [2019–] J3 Tuesday~Midnight IQ~ Madamada Kayoubi~yonds! BEYOOOOONDS QUEST! (J3 Tuesday～Midnight IQ～ まだまだ火曜日よんっ！BEYOOOOONDS QUEST!) (Corner)
- [2020–] BEYOOOOONDS no Biyo～～～～～tto Tobikoe Night! (BEYOOOOONDSのビヨ～～～～～っと飛び越えナイト!)
- [2020–] BEYOOOOONDS no O no Kazu wa Itsutsu Desu (BEYOOOOONDSのOの数は5つです)
- Considers her charm point to be her dimples.
- Her favorite music genre is J-Pop, mainly Hello! Project.
- Her favorite sports are dance and volleyball.
- Her motto is "Don't forget to be grateful" (感謝の気持ちを忘れずに).
- Likes pickles, her favorite is pickled daikon.
- Shares a bed with her parents because she has trouble sleeping alone.
- Her favorite color is dark pink.
- Her favorite Hello! Project songs are "Love & Pea~ce! HERO ga Yattekita." and "The Vision" by Morning Musume, and "Kimi Dake ja nai sa...friends" by ANGERME.