Donald Paul Werner
- Bats Right, Throws Right
- Height 6' 1", Weight 185 lb.
- High School Appleton East High School
- Debut September 2, 1975
- Final Game September 19, 1982
- Born March 8, 1953 in Appleton, WI USA
Since retiring as a player, he has been a minor league manager and coach.
Werner was a player/coach for the Oklahoma City 89ers in 1987-1988. He coached in the Pittsburgh Pirates organization as the hitting coach for the Buffalo Bisons in 1993-1994 and for the Carolina Mudcats in 1995. He was in the San Diego Padres chain for seven seasons, principally as a manager. In 1997-1998 he also worked as the Padres minor league catching coordinator.
He joined the Baltimore Orioles organization as the Delmarva Shorebirds field coach in 2003-2004. Werner was the skipper of the Bowie Baysox in 2005-2006. After the 2006 season he was named minor league catching instructor for the Orioles through the 2013 season when he was promoted to minor league catching coordinator. He stayed in this role through 2019 when the Orioles dismissed him in the midst of a significant player development makeover.