Spencer Chamberlain (born January 4, 1983) is an American musician, best known for being the current lead vocalist for the
metalcore band
Underoath. Before fronting Underoath, Chamberlain was the vocalist for the band This Runs Through in which his brother, Phil Chamberlain, was the drummer (who is also the drummer for
To Speak of Wolves). He is currently the vocalist of
Sleepwave.