UDM

UDM may stand for:


 * Udmurt language (ISO 639 language code), a Uralic language
 * Union of Democratic Mineworkers, a trade union in Nottinghamshire, England
 * United Democratic Movement, a South African political party
 * United Democratic Movement (Kenya), a Kenyan political party
 * Universal Docking Module, a once-proposed portion of the International Space Station
 * Universidad de Manila, a university in Manila, Philippines
 * University of Detroit Mercy, a private Roman Catholic university in Detroit, Michigan
 * Upside-Down Magic, a fantasy book series by Sarah Mlynowski, Lauren Myracle, and Emily Jenkins
 * Upside-Down Magic (film), a Disney Channel film loosely based on the books