Terumi Niki (二木 てるみ, Niki Terumi, born May 11, 1949) is a Japanese actress from Tokyo. Since a child, she has been a member of the Japanese Theatrical Company Gekidan Wakakusa, of which she has joined in 1953. She played the young girl Otoyo in Akira Kurosawa’s Red Beard (1965).

Selected filmography

• Keisatsu Nikki aka Policeman’s Diary (1955)
• Ruri no Kishi (1956)
• Red Beard (1965)
• Karafuto 1945 Summer Hyosetsu no Mon (1974)
• La Seine no Hoshi aka Star of the Seine (1975)
• Gowappa 5 Gōdam (1976)
• Hasami Otoko aka The Man Behind the Scissors (2005)