Jacob Louis Kalish (born July 9, 1991) is an American professional baseball pitcher who is a free agent.

[1][2][3] His brother Ryan Kalish has played as an outfielder in the major leagues with the Boston Red Sox and Chicago Cubs.

[5] Kalish was a pitcher at Red Bank Regional High School in Little Silver, New Jersey, from which he graduated in 2010.

[1] In 2016, Kalish pitched for the Single-A Lexington Legends of the South Atlantic League and the High-A Wilmington Blue Rocks of the Carolina League, going a combined 3–0 with a 2.45 ERA in 23 relief appearances, as he kept batters to a .192 batting average and averaged 9.1 strikeouts/9 innings and 2.1 walks/9 innings.

[11] In August 2017, pitching for the Omaha Storm Chasers of the Pacific Coast League Kalish made his second-ever start in Triple-A, against three-time Cy Young Award winner and former MVP Clayton Kershaw, who was in the minors for a rehab start.

[11] Kalish started the 2018 season pitching again for the Northwest Arkansas Naturals of the Texas League, for whom he was 2–2 with a 5.12 ERA and 39 strikeouts and 8 walks in 38.2 innings, and then pitched for the Omaha Storm Chasers of the Pacific Coast League, where he was 6–6 with a 3.34 ERA and 85 strikeouts and 13 walks in 89 innings.

[1] He re-signed with the Angels on a minor league deal on December 22, 2022, and began the 2023 season back with Triple–A Salt Lake.

[21][11] In 30 games (25 starts) for the Bees, Kalish registered a 9–11 record and 7.19 ERA with 103 strikeouts across 137+2⁄3 innings pitched.