| Karl Wach | |
| Nationality: | German |
| Occupation: | Architect |
| Birth Date: | 7 January 1878 |
| Birth Place: | Höchst, Germany |
| Death Place: | Düsseldorf, Germany |
Karl Wach (7 January 1878 - 21 June 1952) was a German architect. His work was part of the architecture event in the art competition at the 1936 Summer Olympics.[1]