Wenning is a surname. Notable people with the surname include:

Brian Wenning (born 1981), American skateboarder Gregor Wenning (born 1964), German neurologist Keith Wenning (born 1991), American football player Michael Wenning (1935–2011), American minister Pieter Wenning (1873–1921), South African painter and etcher

Other uses River Wenning, in North Yorkshire and Lancashire, England