Dennis Dale Lewallyn (born August 11, 1953) is a former pitcher in Major League Baseball and current Pitching coach for the AA Mississippi Braves.

He played for the Los Angeles Dodgers, Texas Rangers and Cleveland Indians from 1975-1982.

He posted a respectable 4.24 ERA that season and notched his one and only major league save on September 28, 1977.

On that day, Lewallyn pitched 4 innings to hold down a 2-1 Dodgers victory over their arch rival Giants.

This biographical article relating to an American baseball pitcher born in the 1950s is a stub.