As coach Katsuki Yamazaki (山崎 勝己, born August 16, 1982) is a Japanese former professional baseball catcher.

He has played in Nippon Professional Baseball (NPB) for the Fukuoka Daiei Hawks / Fukuoka SoftBank Hawks and Orix Buffaloes.

On August 7, 2005, Yamazaki made his NPB debut.

On November 4, 2020, Yamazaki announced his retirement.

This biographical article relating to a Japanese baseball catcher is a stub.