Selwyn may refer to:

Institutions

* Selwyn College, Auckland, is a multicultural, co-educational high school in Auckland, New Zealand * Selwyn College, Cambridge, one of the University of Cambridge colleges, UK * Selwyn College, Otago, hall of residence at the University of Otago, New Zealand * Selwyn House School, private independent boys' school in Westmount, Quebec, Canada * Selwyn School, a private school in Denton, Texas, US * Harris and Selwyn Theaters, twin theatres in Chicago, Illinois, US * American Airlines Theatre, New York City, originally called the Selwyn Theatre

People

* Selwyn (name), including lists of people with the surname and given name * Selwyn (singer), Australian R&B singer

Places

Australia

* Selwyn, Queensland, a ghost town * Selwyn County, New South Wales, one of the 141 Cadastral divisions of New South Wales, Australia * Selwyn Snowfields, a ski resort in New South Wales, Australia * Selwyn Range (Australia), a range of highlands in north-west Queensland, Australia * Selwyn's Rock, glaciated pavement in Inman Valley, South Australia

Canada

* Selwyn Range (British Columbia), a subrange of the Canadian Rockies near Mount Robson * Selwyn Mountains, a large mountain range in Yukon and the Northwest Territories * Selwyn, Ontario, a township

New Zealand

* Selwyn District, rural district in central Canterbury, New Zealand * Selwyn (New Zealand electorate), one of the current electorates in the New Zealand House of Representatives * Selwyn River / Waikirikiri, a river in the Selwyn District * Selwyn, New Zealand, a settlement on the south bank of the Selwyn River

United States

* Selwyn, West Virginia * Selwyn (Mechanicsville, Virginia), a historic home {{disambig, surname, given name, geo