Lum or LUM may refer to:

People Lao Lum, an ethnic group of Laos Lum (surname), various surnames of English and Chinese origin (including a list of people with these surnames) Lum Croxton (1885–1916), American Negro League baseball pitcher Lum Davenport (1900–1961), American Major League baseball pitcher Lum Harris (1915–1996), American Major League baseball pitcher Lum Snyder (1930–1985), American football player Lum Rexhepi (born 1992), Albanian footballer

Places Lum, Michigan, an unincorporated community in Lapeer County, Michigan, United States Lum, Albania, village in northeastern Albania Lum, Sikkim, India

Other Lumican, a protein encoded by the LUM gene Alfa Lum cycling team IBM LUM (licence use management) WLUM-FM, a radio station in Milwaukee, Wisconsin Place of Memory, Tolerance and Social Inclusion, a Peruvian museum, abbreviated LUM in Spanish

Transportation IATA code for Dehong Mangshi Airport, China MTR station code for Lung Mun stop, Hong Kong Former IATA code for Maputo International Airport

In popular culture A collectible item in the Rayman video game series A character in Lum and Abner, American radio comedy (short for the name Columbus) Lum (Urusei Yatsura), a character from Urusei Yatsura Urusei Yatsura, Japanese manga series sometimes referred to as Lum Lum the Mad (Greyhawk), a character from the Greyhawk campaign setting for Dungeons & Dragons Lum the Mad, also known as Scott Jennings, MMORPG commentator

See also LUMS (disambiguation)