Kenneth Mark Chasen (born November 10, 1965) is a Reform rabbi. He currently serves as a rabbi at the Leo Baeck Temple, a synagogue in Los Angeles, California, in the United States. He was officially installed as rabbi of Leo Baeck Temple on January 10, 2004. Rabbi Chasen spent six years editing and composing musical scores for TV shows, including the 1980s prime time dramas Dallas and Knots Landing. He is married to nonprofit development executive Allison Lee.