WEM

Wem may refer to:
 * HMS Wem (1919), a minesweeper of the Royal Navy during World War I
 * Weem, a village in Perthshire, Scotland
 * Wem, a small town in Shropshire, England
 * Wem (musician), hip hop musician

WEM may stand for:
 * County Westmeath, Ireland, Chapman code
 * Watkins Electric Music, a British manufacturer of musical instruments
 * Wells Regional Transportation Center, a train station in Wells, Maine, United States, which uses the code WEM
 * West Edmonton Mall, Alberta, Canada
 * World Energy Model, from the International Energy Agency