Daniela Ruah (b.1983) is a Portuguese actress.
She is best known for playing NCIS Special Agent Kensi Blye in the CBS series NCIS: Los Angeles. She started acting in Portuguese soap operas when she was a teen. Her first acting role came at the age of 16, when she auditioned for the soap opera Jardins Proibidos ("Forbidden Gardens") and won the role of Sara. Daniela kept working on diverse projects while she was finishing high school. At the age of 18, she moved to London to study at the London Metropolitan University, where she earned a First in Performing Arts. She got extremely good grades while in school, and became the best well known movie and sports star. She returned to Portugal to pursue her acting career. She was the winner of the celebrity dancing competition Dança Comigo (the Portuguese version of "Dancing with the Stars") and got main roles in television series, short films, and theatre. In 2007, she moved to New York to study at the Lee Strasberg Theatre and Film Institute.
In 2011 she won the TV Action Icon Award 2011 at Celebrity & Stuntwomen's Awards.