Ray Alder is an American musician. He is the lead vocalist of the progressive metal band Fates Warning since their 1988 release No Exit. He is of Mexican descent.

Fates Warning is an American progressive metal band, formed in Hartford, Connecticut, in 1982 by vocalist John Arch, guitarists Jim Matheos and Victor Arduini, bassist Joe DiBiase, and drummer Steve Zimmerman. There have been numerous lineup changes over the course of their 42-year career, and Matheos is the only constant member. As of 2020, the band consists of Matheos, vocalist Ray Alder, bassist Joey Vera, drummer Bobby Jarzombek and guitarist Michael Abdow. Fates Warning also had a revolving cast of drummers and guitarists by the time Jarzombek and Abdow joined the band in 2007 and 2020 respectively.