
Nao Kosaka
Known for Acting · 36 credits
- Born
- 2002-09-07 (age 23)
- Place of birth
- Osaka, Japan
- Also known as
- 小坂菜绪 · こさか なお · 小坂 菜緒
Biography
Nao Kosaka is a Japanese singer, model, actress and member of the female Japanese idol group Hinatazaka46. She is an exclusive model for the female fashion magazine Seventeen.
On August 13, 2017, Kosaka passed the auditions for new members of Keyakizaka46's subgroup Hiragana Keyakizaka46 and entered the group as the second generation. She made her debut in the song "No War in the Future", a B-side to "Kaze ni Fukarete mo". On May 19, 2018, Kosaka made her runway debut at the GirlsAward 2018 SPRING/SUMMER show. On May 21, 2018, Seventeen announced that she will be one of the magazine's exclusive model.
After Hiragana Keyakizaka46 was renamed to Hinatazaka46 in February 2019, Kosaka was selected to hold the center position in their debut single, "Kyun". She continued to hold the position for every single released by the group since.
Kosaka was casted as the main character in the 2019 mystery film Japanese Doll of Terror (恐怖人形, Kyōfu Ningyō). She is also slated to appear in Hinomaru Soul, an upcoming film about ski jumping at the 1998 Winter Olympics, in which her character is based on retired ski jumper Yoshiko Yoshiizumi.
In April 2021, Kosaka announced that her solo photobook, produced by the Seventeen magazine editorial staff, would be released on June 29. She would be the third Hinatazaka46 member to release a solo photobook, after Miho Watanabe and Kyōko Saitō. As a dinosaur enthusiast, she was also appointed the ambassador for Sony's DinoScience exhibition, which would be held from July to September.
Known For
TV Shows (8)
Movies (28)

That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea
2026
as Mio (voice)

The Japanese Doll
2019
as Yuri Hirai

JUMP!!:The Heroes Behind the GOLD
2021
as Noriko Kobayashi

Ayumi
2018

6th Year Memorial Live
2025
as Herself

Third Year Debut: The Documentary of Hinatazaka46
2020
as Herself

Hinatazaka46 3rd Single Release Commemorative One-Man Live
2019
as Herself

Spring Unit Festival
2021
as Herself

HINAKURI 2019 ~Seventeen Santa Clauses and Christmas in the Sky~
2019

HINATAZAKA46 Live Online,YES!with YOU!
2020

Hinatazaka46's Happy Train Tour 2023 in Osaka Castle Hall
2023
as Herself

HINAKURI 2022
2022
as Herself

W-KEYAKI FES. 2022 「Hinatazaka46」
2022
as Herself

MEMORIAL LIVE: 2nd Hinatansai
2021
as Herself

Hiragana Christmas 2018
2018
as Self

Hinatazaka46 Debut Countdown Live!!
2019

日向坂46 「Happy Smile Tour 2022」
2022

日向坂46 BRAND NEW LIVE「OVER THE RAINBOW」

Hope and Despair: Those Tears that Nobody Knows of
2022
as Herself

4th Year Memorial Live
2023

Watanabe Miho Graduation Ceremony
2022
as Herself

日向坂46「Happy Magical Tour 2024」 in 東京ドーム
2024

Hinatazaka46 Storytellers
2020
as Herself

日向坂46 5回目 ひな誕祭

日向坂46 6回目のひな誕祭

日向坂46「ひなたフェス2024」
2024
as Self

日向坂46 ARENA TOUR 2025 「MONSTER GROOVE」
2025

日向坂46「卒業写真だけが知ってる」 Live from Happy Magical Tour 2024 @ 東京ドーム
2025
About Nao Kosaka
Nao Kosaka is a Japanese singer, model, actress and member of the female Japanese idol group Hinatazaka46. She is an exclusive model for the female fashion magazine Seventeen. On August 13, 2017, Kosaka passed the auditions for new members of Keyakizaka46's subgroup Hiragana Keyakizaka46 and entered the group as the second generation. She made her debut in the song "No War in the Future", a B-side to "Kaze ni Fukarete mo". On May 19, 2018, Kosaka made her runway debut at the GirlsAward 2018 SPRING/SUMMER show. On May 21, 2018, Seventeen announ… With 36 credits spanning from 2018 to 2026, Nao Kosaka has appeared in 28 films and 8 TV shows.
Fans searching for Nao Kosaka movies, Nao Kosaka filmography, or the latest projects starring Nao Kosaka can stream many of these titles on CineFlixo, free and in HD, with no subscription required.
Most Popular Nao Kosaka Movies
- That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea (2026) — as Mio (voice)
- The Japanese Doll (2019) — as Yuri Hirai
- JUMP!!:The Heroes Behind the GOLD (2021) — as Noriko Kobayashi
- Ayumi (2018)
- 6th Year Memorial Live (2025) — as Herself
Where to Watch Nao Kosaka Films
Most Nao Kosaka movies and series are available to stream on CineFlixo in full HD, completely free and without signup. Browse the complete filmography above to jump directly to any title. For more films and the latest web series featuring Nao Kosaka, check our movies catalogue and browse page.







