Laura Greenwood (born 11 december 1991) is an English actress and a member of the YoungBlood Theatre Company in 2006.

Greenwood's big breakthrough came in 2006 when at age 14 she starred as Penny Philips opposite Helen Mirren in Prime Suspect The Final Act, the two-part conclusion to ITV's long-running series. Critics praised her work in the drama, with David Bianculli of the New York Daily News writing, "The scenes she shares with Mirren are nothing short of phenomenal," and Robert Lloyd of the Los Angeles Times calling her "thoroughly impressive."Before her breakthrough, Greenwood had already participated in two ITV productions, the children's series My Life as a Popat and the drama Walk Away and I Stumble. She also had small roles in notable film productions The Brothers Grimm and V for Vendetta.

In 2008 she appeared in the ITV soap opera Echo Beach. She also made minor appearances as a fictionalized version of herself in Echo Beach's sister series, Moving Wallpaper.

Greenwood also appeared in Messiah V as Leah Wallace, broadcast on BBC One in January 2008. As well as this, she would appear in another BBC-produced series, playing the one-time role of Jessica in HolbyBlue. Currently, she has recently completed filming the leading role of Charlotte in the film Pinprick, directed by Daniel Young.