Mary Mara was an American actress.

Mara starred in numerous television and film projects, making her debut in 1989 television movie The Preppie Murder. Mara's television credits include roles on E.R., Law & Order, Ray Donovan, Nash Bridges, Lost, Shameless, Nip/Tuck, The Practice, Gideon's Crossing, Star Trek: Enterprise, and Dexter.

Other guest-starring roles include NYPD Blue, Hope & Gloria, Criminal Minds, Joan of Arcadia, Bones, Ally McBeal, Judging Amy, The West Wing, 7th Heaven, and Monk.

She also starred in television films In the Blink of an Eye and Indictment: The McMartin Trial. Film credits include Love Potion No. 9, Prom Night, The Hard Way, Mr. Saturday Night, True Colors and Blue Steel.

Mara's last onscreen appearance was in the 2020 film Break Even.

Mara died June 26, 2022 in Cape Vincent, New York. She was 61.