A glen is a valley.
Glen may also refer to:
People Glen (given name) Glen (surname)
Places River Glen (disambiguation) or Glen River, in various countries
Ireland Glen, Ballyloughloe, a townland in Ballyloughloe civil parish, County Westmeath Glen, County Donegal, a village Glen, Rathgarve, a townland in Rathgarve civil parish, County Westmeath
Northern Ireland Glen, County Fermanagh, a townland Glens of Antrim, also known as "The Glens", a region comprising nine glens
United States Glen, Mississippi, a town Glen, Montana, a census-designated place Glen, Nebraska, an unincorporated community Glen, New Hampshire, an unincorporated village Glen, New York, a town
Elsewhere Glen Island, Nunavut, Canada Glen, Shimla, Himachal Pradesh, India, a forest Glen Water, Ayrshire, Scotland, a stream
Other uses Glen (music company), Scottish music publisher and music instrument manufacturer NBR Glen Class, a class of steam locomotive on the North British Railway Glen Class, a Dublin Bay one-design dinghy Yokosuka E14Y, an Imperial Japanese Navy seaplane, codenamed "Glen" by United States forces Gay and Lesbian Equality Network, an Irish gay rights group
See also The Glen (disambiguation) Glenn (disambiguation) Glin (disambiguation) Glinn (disambiguation) Glyn (disambiguation) Glynn (disambiguation) Glynne (disambiguation) Forest Glen, Chicago, Illinois, a community area of Chicago