Ronald Jon Roenicke is an American former professional baseball outfielder, coach, and manager. During his playing career, Roenicke played eight seasons in Major League Baseball (MLB) for the Los Angeles Dodgers, Seattle Mariners, San Diego Padres, San Francisco Giants, Philadelphia Phillies, and Cincinnati Reds. He later served as a coach for the Dodgers, Los Angeles Angels, and Boston Red Sox, and as manager for the Milwaukee Brewers and Red Sox. He is the younger brother of former MLB outfielder Gary Roenicke.

Gary Steven Roenicke is an American former Major League Baseball left fielder for the Montreal Expos (1976), Baltimore Orioles (1978–85), New York Yankees (1986) and Atlanta Braves (1987–88).