Kitty Kallen (born Katie Kallen; May 25, 1921 – January 7, 2016) was an American popular singer whose career spanned from the 1930s to the 1960s, to include the Swing era of the Big Band years, the post-WWII pop scene and the early years of rock 'n roll. Kallen performed with popular big band leaders of the 1940s, including Jimmy Dorsey and Harry James, before establishing a solo career.