Bianca Maria Kajlich (KY-lik; born March 26, 1977) is an American actress, best known for her role as Jennifer on CBS's sitcom Rules of Engagement (2007–2013).

She began her career with the Olympic Ballet Theater as a ballet dancer in Edmonds, Washington. After seven years, she decided to try acting. By that time, she had already performed lead roles in The River, Swan Lake, and The Nutcracker.