John Thomas Hatch (born September 29, 1994) is an American professional baseball pitcher in the Kansas City Royals organization.

[6] He made his professional debut in 2017 with the Myrtle Beach Pelicans of the Class A-Advanced Carolina League,[7] posting a 5–11 record with a 4.04 ERA in 26 starts.

[11] On July 30, 2019, the Cubs traded Hatch to the Toronto Blue Jays in exchange for David Phelps.

[15] With the 2020 Toronto Blue Jays, Hatch appeared in 17 games, compiling a 3–1 record with 2.73 ERA and 23 strikeouts in 26.1 innings pitched.

Hatch made 28 appearances (22 starts) for Triple-A Buffalo in 2022, posting an 8–7 record and 4.67 ERA with 113 strikeouts in 131.0 innings pitched.

In one start for the Blue Jays, Hatch allowed a ghastly 10 runs on 12 hits and 2 walks in 4.2 innings of work.

[22] On December 3, 2023, Hatch signed with the Hiroshima Toyo Carp of Nippon Professional Baseball.

[25] On February 7, 2025, Hatch signed a minor league contract with the Kansas City Royals.