Jun Miho (美保 純, Miho Jun, born 4 August 1960) is a Japanese actress. She is affiliated with Knockout.

Born in Shizuoka Prefecture in 1960. In 1982, she won the Blue Ribbon Newcomer Award and the Golden Arrow Graph Award for her role in "Pink Curtain." The following year, she won the Japan Academy Prize for Newcomer of the Year. Since then, she has been active in dramas and variety shows. In 1987, she won the Japan Academy Prize for Best Supporting Actress. Her main appearances include the "Otoko wa Tsurai yo" series and "Kikujiro to Saki." Recently, she has been pursuing the expression of her own unique worldview by working on writing and film production. She is a great actress who is highly valued in the Japanese film industry for her wide range of acting, from playing the criminal in a two-hour suspense drama to playing the mother.