Friedrich Heimler (17 February 1942 – 7 November 2018) was a Brazilian Roman Catholic bishop.
Heimler was born in Germany and was ordained to the priesthood in 1970. He served as coadjutor bishop of the Roman Catholic Diocese of Umuarama, Brazil, from 1998 to 2002. He then served as bishop of the Roman Catholic Diocese of Cruz Alta from 2002 until 2014.[1]