Len or LEN may refer to:
People and fictional characters Len (given name), a list of people and fictional characters Lén, a character from Irish mythology Alex Len (born 1993), Ukrainian basketball player Mr. Len, American hip hop DJ Len (rapper) (born 1999), British rapper Len Kagamine, Vocaloid
LEN The Lake Erie and Northern Railway, a defunct interurban electric railway in Ontario, Canada Ligue Européenne de Natation, the European Swimming League LEN Trophy
Codes Extinct Lencan languages of Central America (ISO 639-3 code:len) León Airport (IATA airport code:LEN) near León, Spain Lentini Aviation (ICAO airline code:LEN)
Other uses Len (band), a Canadian indie rock group Len (Norway), an important Norwegian administrative entity during 1536–1814 Len (programming), a function that gives the length of a text string in some dialects of BASIC programming language River Len, a river in the English county of Kent
See also Lens (disambiguation) Liquid Len, British lighting designer