| John Kroner | |
| Position: | Second baseman |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | November 13, 1908 |
| Birth Place: | St. Louis, Missouri |
| Death Place: | St. Louis, Missouri |
| Debutleague: | MLB |
| Debutdate: | September 29 |
| Debutteam: | Boston Red Sox |
| Finalleague: | MLB |
| Finaldate: | September 29 |
| Finalteam: | Cleveland Indians |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .262 |
| Stat2label: | Home runs |
| Stat2value: | 7 |
| Stat3label: | Hits |
| Stat3value: | 105 |
| Teams: |
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John Harold Kroner (November 13, 1908 – April 26, 1968) was a second baseman in Major League Baseball who played from 1935 through 1938 for the Boston Red Sox (1935–36) and Cleveland Indians (1937–38). Listed at, 185 lb., Kroner batted and threw right-handed. He was born in St. Louis, Missouri.
In a four-season career, Kroner was a .262 hitter (184-for-702) with seven home runs and 105 RBI in 223 games, including 83 runs, 47 doubles, nine triples, three stolen bases, and a .327 on-base percentage.
Kroner died in his hometown of St. Louis, Missouri, at age 59.