Sarah Christine Roemer (born August 28, 1984) is an American Actress and model. One of her best-known roles was the lead in Disturbia, but she has also starred in a number of films including Asylum, Hachi: A Dog's Tale, Fired Up!, Waking Madison, and The Con Artist, as well as the television series The Event and Chosen.

Roemer was born in San Diego. When she was 15 she was recruited by a modeling agency while at a 7-Eleven drinking coffee. She went into modeling, but noted that she went into acting when an agent also asked her at a coffee shop in 2005.

In 2007, Roemer starred alongside Shia LaBeouf, Carrie-Anne Moss and David Morse in the Paramount Pictures thriller film Disturbia. She portrayed Ashley Carlson, a love interest and neighbor of LaBeouf's character. Filming took place from January 6, 2006, to April 28, 2006, with a budget of $20 million. The film was released on April 13, 2007, to a positive critical reception and debuting at #1 in its first week at the box office. She also starred alongside Dakota Fanning, Kristen Stewart and Virginia Madsen in the Kate Hudson–directed short film "Cutlass".

In 2008, she starred alongside Travis Van Winkle and Ellen Hollman in Asylum. Directed by David Ellis, who also directed Final Destination 2, the film was released straight-to-DVD on July 15, 2008. A year later, Roemer appeared in the 2009 teen comedy film Fired Up. The film was released on February 20 to mostly negative reviews, and failed to cover its million budget. That same year, Roemer portrayed Andy Wilson, the daughter of Richard Gere's character Parker Wilson, in the American drama film Hachi: A Dog's Tale. An American adaptation of the 1987 Japanese film Hachikō Monogatari, the film opened to positive critical reception and enjoyed worldwide box office success. In 2009, she also starred in the independent film Falling Up, which was released to mixed reviews and released straight-to-DVD. Roemer appeared in the music video for "Come Back To Me" by American Idol contestant David Cook.

Later that year, Roemer starred in the NBC drama series The Event, in which she portrayed Leila Buchanan, the kidnapped girlfriend of the series protagonist Sean Walker (Jason Ritter). The series aired for one season before its cancellation on May 13, 2011.

Roemer began dating her Chosen co-star Chad Michael Murray in 2014. In January 2015, it was announced that she and Murray had married. They announced she gave birth to their son on May 31, 2015. In November 2016, they announced that they were expecting their second child. Their second child, a daughter, was born in March 2017.