Nao Kosaka

Nao Kosaka
小坂 菜緒
Kosaka in 2025
Born (2002-09-07) September 7, 2002
Osaka, Japan
Occupations
Years active2017–present
Musical career
LabelSony Music Entertainment Japan
Member ofHinatazaka46
Modeling information
Height161.5 cm (5 ft 4 in)
Hair colorblack
Eye colorblack
WebsiteNon-no profile

Nao Kosaka (Japanese: 小坂 菜緒, Hepburn: Kosaka Nao; born September 7, 2002) is a Japanese singer, model, and actress. She is a member of the girl group Hinatazaka46 (formerly Hiragana Keyakizaka46) and an exclusive model for the fashion magazine Non-no.

Kosaka has held the lead performer position for the most singles in Hinatazaka46 with 8 singles, earning her the moniker "Absolute Ace". Prior to signing with Non-no in 2025, she was an exclusive model for Seventeen magazine from 2018 to 2024. She has appeared in the feature films The Japanese Doll (2019) and Jump!! The Heroes Behind the Gold (2021), and the drama series Dear Radiance (2024) and Strobe Edge (started 2025). She has also served as a brand ambassador for Sony Assurance since 2022 and hosted the radio program Sony Assurance Quest for the Future on J-Wave since 2023.