Kanna Imai (今井 栞菜, Imai Kan'na, born November 17, 1992) is a Japanese AV actress from Nagano Prefecture who belongs to T-Powers. Her former stage names were Kanna Uno (宇野 栞菜, Uno Kan'na) and Kanna Abe (阿部 栞菜, Abe Kan'na). Her former official profiles had different birth dates, usually as born in 1985. Her body measurements are 80-59-82 cm (31-23-32 in) (B cup) and her height is 1.53 m. Her hobbies are watching movies and cooking. Her special skill is golf.

On November 1, 2017, she made her AV debut under the name Kanna Abe (阿部 栞菜) as an exclusive actress for Tameike Gorō. Her agency was NAX Promotion. In an interview for a magazine, she was described as a 32-year-old married woman with one child at the time of her debut, but in fact she was in her twenties and single. She directed herself in a 2018 published work for the adult video manufacturer MILK, where she also appears as an actress. On September 18, 2019, she announced on her official Twitter that she had changed her name to Kanna Uno (宇野 栞菜) and transferred to the agency Diaz Group. On May 15, 2023, she announced on her official Twitter that she had joined T-Powers. In 2024, she re-debuted under the stage name Kanna Imai (今井 栞菜, Imai Kan'na) as an exclusive actress for Madonna.