Ernst Friedrich Lindner LL. D. (1 May 1897 – 4 November 1988) was an Austrian-born Canadian painter. He moved to Saskatoon, Saskatchewan, in 1926, where became a self-taught commercial artist. He soon was recognized locally and then nationally and was active in several art organizations. He is known for his meticulous watercolors of natural woodlands depicting the cycle of decay and regeneration.