Jens Winther (29 October 1960 – 24 February 2011[1]) was a Danish jazz trumpeter, composer, arranger and bandleader.

In 1989, Winther left the Big Band and moved to New York City after receiving an invitation to join the two-year Jazz Composer's Workshop under the direction of Bob Brookmeyer.

At the same time, he worked as a freelance trumpeter, playing with groups and musicians such as the Toshiko Akiyoshi Band, Eddie Palmieri, Kenny Barron, Max Roach, Tito Puente, Marie Bauza Orchestra, George Mraz, and Xavier Cugat Orchestra.

In 2007, he experienced an international breakthrough with his JZ European Quintet and went on a worldwide tour which included the United States, Canada, Australia, and China.

In 2008, he formed the fusion band JW Electrazz which had its world premiere on 22 March in Copenhagen Jazzhouse.