Calliope "Callie" Thorne (born November 20, 1969 in New York City, New York) is an American actress of British, Armenian, Assyrian, Italian and Portuguese ancestry, best known for her role as Sheila Keefe, the 9/11 widow of Jimmy, who was the cousin of Tommy Gavin (Denis Leary) on Rescue Me.

Thorne studied Theatre and Dramatic Literature at Wheaton College in Massachusetts and at The Lee Strasberg Institute in New York.

Most recently, she was featured in the David Wain original short series "Wainy Days" in a memorable role.