Jason Allen

Jason or Jay Allen may refer to:


 * Jason Allen (American football) (born 1983), American football cornerback
 * Jason Allen (cyclist) (born 1981), New Zealand cyclist
 * Jason Allen (politician) (born 1963), American politician in Michigan
 * Jason Allen (rugby league) (born 1975), Australian rugby league footballer of the 1990s
 * Jay Allen (1900–1972), American journalist
 * Jay Allen (baseball) (born 2002), American baseball player