The 1921 Hilldale Club baseball team represented the Hilldale Club as an independent during the 1921 baseball season. The team compiled a 28–18–1 (.606) record and was recognized as the champion of the Eastern independent teams. Bill Francis was Hilldale's player-manager. The team played its home games at Hilldale Park in Darby, Pennsylvania, a Philadelphia suburb.^[1]

The team included two players who were late inducted into the Baseball Hall of Fame: third baseman Judy Johnson and catcher Louis Santop.

The team's leading batters were:

• Louis Santop - .365 batting average, .635 slugging percentage, five home runs, 35 RBIs in 37 games
• Center fielder Otto Briggs - .309 batting average, .446 slugging percentage, 22 RBIs in 44 games
• Left fielder Chaney White - .300 batting average, .407 slugging percentage, 23 RBIs, in 40 games

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The team's leading pitchers were Dick Whitworth (10–5, 2.49 ERA, 61 strikeouts), Phil Cockrell (8–5, 3.84 ERA), and Connie Rector (5–1, 3.25 ERA).^[3]