Wintermute may refer to:
People H. Ogden Wintermute (1895–1964) American writer and historian Marjorie Wintermute (1919–2007) American architect Slim Wintermute (1917–1977), American basketball player Martha Wintermute (1842–1918), American author and poet
Other uses An artificial intelligence character in the novel Neuromancer Wintermute Engine, a graphical adventure game engine developed by Dead:Code software Wintermute, first story mode episode of the video game The Long Dark Wintermute Lake, a lake in Minnesota