Jon Matlack, American baseball player and coach
Jonathan Trumpbour Matlack (born January 19, 1950) is an American former professional baseball player and coach. He played in Major League Baseball as a left-handed pitcher from 1971 through 1983 for the New York Mets and the Texas Rangers.

The three-time All-Star was named the 1972 National League Rookie of the Year and was a member of the 1973 National League pennant-winning New York Mets team. Matlack led the National League in shutouts in 1974 and 1975 and, ranks in the top 10 among Mets pitchers in wins, complete games, ERA, strikeouts, shutouts and innings pitched. In 2020, Matlack was inducted into the New York Mets Hall of Fame.