Elaine Irwin (born August 26, 1969) is an American model, and formerly worked as the face of Almay Cosmetics and Ralph Lauren.

Personal life
Elaine was 23 when she married musician John Mellencamp. The two met when she was hired to appear on the cover of Mellencamp'sWhenever We Wanted album (and appear in the music video for "Get A Leg Up." Within 10 weeks, they were engaged. The couple have two sons, Hud (born 1994) and Speck (born 1995).

On December 30, 2010, it was announced that she and John Mellencamp were separating after eighteen years of marriage, but both were choosing to stay in Indiana to raise their two children. Elaine Irwin moved to LA soon after. On January 14, 2011 John Mellencamp filed for divorce and requested that Elaine be returned to her maiden name 'Irwin'. On August 12, 2011 their divorce was finalized.

In October 2012 Elaine became engaged to Indy car team owner Jay Penske, who is nine years her junior. They had a daughter in May 2013.