Liza Lapira (born December 3, 1981) is an American actress, known for her roles as Melody 'Mel' Bayan on the CBS series The Equalizer, Helen-Alice on the sitcom Super Fun Night, Topher Brink's assistant Ivy on Dollhouse, Maggie Del Rosario on the series Huff, Special Agent Michelle Lee on the CBS series NCIS, Alva in Repo Men (2010), Trinh in Fast & Furious (2009), Kianna in the film 21 (2008), and Heather in Cloverfield (2008).

She also co-starred in the short-lived sitcoms Traffic Light, Don't Trust the B---- in Apartment 23, Con Man, and 9JKL.