Dennis James Sommers (July 12, 1940 – September 14, 2020) was an American professional baseball catcher, manager and coach. A left-handed batter who threw right-handed, Sommers stood 6 feet 2 inches (1.88 m) tall and weighed 205 pounds (93 kg). He was born in New London, Wisconsin. As a minor league player, Sommers batted .220 in 2,570 at-bats spread over ten seasons, while as a manager, his teams compiled a 781–815 record (.489) with one championship.