David Owen Williams (February 7, 1880 – April 25, 1918) was a relief pitcher in Major League Baseball who played briefly for the Boston Americans during the 1902 season. Listed at 5 ft 11.5 in (1.82 m), 167 pounds (76 kg) Williams batted right-handed and threw left-handed. He was born in Scranton, Pennsylvania. In a three-game career, Williams posted a 5.30 ERA in 18+2⁄3 innings of work, including seven strikeouts, 11 walks, three games finished, and 22 hits allowed without a decision. Williams died in Hot Springs, Arkansas at age 38.