Paul Thomas Mirabella (born March 20, 1954) is a former professional baseball pitcher. Mirabella, who threw left-handed, played all or part of thirteen seasons in Major League Baseball for the Texas Rangers (1978 and 1982), New York Yankees (1979), Toronto Blue Jays (1980–81), Baltimore Orioles (1983), Seattle Mariners (1984–86) and Milwaukee Brewers (1987–90).

In his major league career, Mirabella had a 19–29 win–loss record with a 4.45 earned run average. He appeared in 298 games, including 33 as a starting pitcher, 3 of which were complete games, including 1 shutout. As a relief pitcher, he finished 88 games, compiling 13 saves. Overall, he pitched 499.2 innings, facing 2,236 batters, striking out 258. He allowed 526 hits, 284 runs (247 earned), 43 home runs, 239 walks (29 intentional), 13 hit batsmen, 17 wild pitches and 1 balk.