Kai Winding (May 18, 1922-May 6, 1983) was a popular Danish trombonist and jazz composer. He is well known for playing and recording with J. J. Johnson. Winding was born in Aarhus, Denmark. In 1934 his family emigrated to the United States. He graduated in 1940 from Stuyvesant High School in New York City. His career as a professional trombonist began in 1940 with Shorty Allen's band. After the war, Winding joined Benny Goodman's band and later moved on to Stan Kenton's orchestra. In 1950 he joined forces with J. J. Johnson to produce a highly successful series of trombone duet recordings.