Tadataka Unno, born 1980 in Tokyo, Japan, is a distinguished jazz pianist with an expressive style. He began playing piano at age four and discovered jazz at age nine. Unno studied at Tokyo University of the Arts and was an active member of the Tokyo jazz scene. In 2008, he moved to New York and quickly earned the respect of prominent jazz figures. He became a favorite of jazz legends like Hank Jones, Frank Wess and Jimmy Cobb. Notably, he was the first and only regular Japanese member of the Jimmy Cobb Trio and the Roy Hargrove Quintet.

He has performed with John Pizzarelli, Jimmy Heath, Sadao Watanabe, Houston Person, Roberta Gambarini, Jazzmeia Horn, Russel Malone, and other jazz greats.

Tadataka was featured in the 2021 NHK Special, “This Wonderful World” and in March 2022, he released “Get My Mojo Back” on Verve Records.  It received widespread acclaim as one of Japan’s best-selling jazz albums of the year.  In 2025, Jeff Hamilton invited him to join his trio.