MDW could refer to:

• 59th Medical Wing, a U.S. Air Force medical wing, Joint Base San Antonio, Texas, U.S.
• Midway International Airport (IATA Airport Code), Chicago, Illinois, U.S.
• United States Army Military District of Washington
• Milwaukee District / West Line (MD-W), a Metra commuter rail line in Chicago, Illinois, U.S.
• Minnesota, Dakota and Western Railway, U.S. and Canada
• University of Music and Performing Arts Vienna (German: Universität für Musik und darstellende Kunst Wien), a music university in Vienna, Austria
• Maidstone West railway station
• An abbreviation for meadow, usually in a street name (as in Castle Mdw in Norwich).

This disambiguation page lists articles associated with the title MDW.
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