Lemke is a surname. Notable people with the surname include:
Birsel Lemke, environmentalist
Carlton E. Lemke, mathematician
Jay Lemke, education scientist
Johan Philip Lemke, painter
Leslie Lemke, musical savant
Lev Lemke, actor
Mark Lemke, baseball player
Peter Henry Lemke, Benedictine
Steve Lemke, guitar player
William Lemke, politician
Wolf Lemke, aircraft designer