Lílian Lemmertz Dias (Porto Alegre, June 15, 1937 – Rio de Janeiro, June 5, 1986) was a Brazilian actress.

This article does not cite any sources. (January 2015)

Of German descent, Lemmertz graduated as a teacher of Literature in Porto Alegre. Her acting career began when Antonio Abujamra, a course colleague and family friend, convinced her to work in the play The Glass Life, which was being assembled by the University Theatre of the state capital.

She was married to Lineu Dias and is mother of actress Júlia Lemmertz. She died on June 5, 1986, in Rio de Janeiro.