Allyn
Allyn is both a unisex given name and a surname. Notable people with the name include:
;Given name:
- Leigh-Allyn Baker, American actress, director and voice artist
- Allyn L. Brown, American judge
- Allyn Capron, US Army captain
- Allyn K. Capron, first US Army officer to die in the Spanish–American War
- Allyn Condon, English sprinter
- Allyn Cox, American painter
- Allyn Ferguson, American composer
- Allyn Joslyn, American stage, film and television actor
- Ruth Allyn Marcus, American journalist and political commentator
- Allyn McKeen, American college football coach
- Allyn Ann McLerie, American dancer
- Francis Allyn Olmsted, American author
- Wayne Allyn Root, American businessperson
- Allyn Rose, American beauty pageant titleholder and model
- J. Allyn Rosser, American poet
- Allyn Stout, American Major League baseball pitcher
- Allyn Taylor, American law school professor
- Allyn Vine, American physicist and oceanographer
- Allyn Abbott Young, American economist
;Surname:
- Arthur Allyn Jr., American co-owner of the Chicago White Sox baseball team
- Daniel B. Allyn, US Army general
- David Allyn, American essayist
- Edna Allyn, American librarian
- Eunice Eloisae Gibbs Allyn, American writer
- Jerri Allyn, American artist
- John Allyn, American co-owner of the Chicago White Sox baseball team
- Joseph P. Allyn, American judge and journalist
- Louis B. Allyn, American chemistry professor
Geographic names
- Allyn, Washington, unincorporated community in Washington, United States
- Allyn-Grapeview, census-designated place in Mason County, Washington, United States
- Allyn Range, a mountain range in New South Wales, Australia
- * Mount Allyn, a mountain with an elevation of 1,125 metres AHD that is part of the Allyn Range.
- * Allyn River, a stream on Allyn Range in the Hunter region of New South Wales, Australia.