Ellyn is a given name. Notable people with the name include:
Ellyn Setnor Bogdanoff (born 1959), Representative in the House of Representatives of the U.S. state of Florida Ellyn Stern, professional actress, voice actress, and director in California Ellyn Toscano, arts administrator, curator and author
See also Glen Ellyn, Illinois, affluent village in DuPage County, Illinois, United States Glen Ellyn (Metra), station on Metra's Union Pacific/West Line Glen Ellyn Main Street Historic District, set of eleven buildings Village Links of Glen Ellyn, public golf course