Allen Gabriel McDill (born August 23, 1971) is a former left-handed specialist in Major League Baseball who pitched from 1997 through 2001 for the Kansas City Royals (1997–98), Detroit Tigers (2000) and Boston Red Sox (2001).
McDill attended Arkansas Tech University. In 1991, he played collegiate summer baseball with the Wareham Gatemen of the Cape Cod Baseball League.
In a four-season major league career, McDill posted a 7.79 ERA in 38 appearances, including 11 games finished, 28 strikeouts, 18 walks, 38 hits allowed, and 34+2⁄3 innings of work, without gaining a decision or save.
From 1992 to 2002, McDill also pitched for the Mets (1992–95), Royals (1995–97), Rangers (1999, 2002), Tigers (2000), Cardinals (2000), Red Sox (2001) and Orioles (2002) minor league systems. In 392 appearances, he posted a 46–46 record with a 3.75 ERA and 42 saves.