| Barney Koch | |
| Position: | Second Baseman |
| Birth Date: | March 23, 1923 |
| Birth Place: | Campbell, Nebraska |
| Death Place: | Tacoma, Washington |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | MLB |
| Debutdate: | July 23 |
| Debutyear: | 1944 |
| Debutteam: | Brooklyn Dodgers |
| Finalleague: | MLB |
| Finaldate: | October 1 |
| Finalyear: | 1944 |
| Finalteam: | Brooklyn Dodgers |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .219 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | Runs |
| Stat3value: | 11 |
| Teams: |
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Barnett Koch (March 23, 1923 – June 6, 1987) was an American second baseman in Major League Baseball who played for the Brooklyn Dodgers during the 1944 baseball season. Born in Campbell, Nebraska, he died at age 64 in Tacoma, Washington.