Niels Klein (born 1978 in Hamburg) is a German jazz musician (soprano, tenor saxophone, clarinet) and composer.
In 2004, he received the Förderpreis of the State of North Rhine-Westphalia for music, and it appeared the first album of the Niels Klein Trio (with Dietmar Fuhr and Nils Tegen).
He participated in tours and CD recordings (2005) with the Frank Wingold Quartet ("Clairvoyance"), Underkarl ("Goldberg Variationen"), Florian Ross ("EightBall") and the James Choice Orchestra.
As a sideman, he collaborated with Toots Thielemanns, Jeff Hamilton, Nils Wogram, Albert Mangelsdorff, Bob Brookmeyer, Charlie Mariano, Peter Erskine, Vince Mendoza, Markus Stockhausen, Arkady Shilkloper, Victor Bailey, and others.
For the winter semester 2016/17, he was appointed professor for jazz saxophone at the Hochschule für Musik und Tanz Köln in Cologne.