Nir Zidkyahu (Hebrew: ניר צדקיהו, [ˈniʁ t͡sidˈkija(h)u], born November 1967), also known as Nir Z, is an Israeli studio-session drummer, and the brother of Blackfield's drummer Tomer Z.
In spring 1997 he joined Genesis, playing on eight tracks for their last album, Calling All Stations, and then became available for their 1997-1998 tour. In 2000, Zidkyahu drummed on John Mayer's breakthrough album, Room for Squares. Since then, he has played drums and percussion for various artists including Jason Mraz, Joss Stone, Caroline Jones, Ray Wilson and Alana Davis.