Eberhard Werdin (October 19, 1911 in Spenge – May 25, 1991 in Weilheim in Oberbayern) was a German composer and writer on music.
He studied in Hanover, Bielefeld and Cologne, and then became a schoolteacher. From 1955 to 1969 he was a lecturer at the conservatory in Düsseldorf, and in 1952 he became a professor at the Municipal Music School in Leverkusen.
Werdin wrote music for the stage, works for school orchestras as well as professional orchestras, choral music and chamber music, including a large number of works for brass instruments. He also wrote on aspects of musical education.