| Helmut Jahn | |
| Birth Date: | 22 October 1917 |
| Birth Place: | Nuremberg, Germany |
| Death Place: | Nuremberg, Germany |
| Position: | Goalkeeper |
| Youthyears1: | 1925–1934 |
| Youthclubs1: | Spandauer SV |
| Years1: | 1934–1935 |
| Clubs1: | Brandenburger 03 Berlin |
| Years2: | 1935–1937 |
| Clubs2: | Hertha 06 Charlottenburg |
| Years3: | 1937–1943 |
| Clubs3: | Berliner SV 1892 |
| Years4: | 1945 |
| Clubs4: | FC St. Pauli |
| Clubs5: | VfB Stuttgart |
| Years6: | –1948 |
| Clubs6: | Stuttgarter Kickers |
| Years7: | 1948–1951 |
| Clubs7: | TuS Neuendorf |
| Years8: | 1951–1953 |
| Clubs8: | VfB Koblenz-Lützel |
| Nationalyears1: | 1939–1942 |
| Nationalteam1: | Germany |
| Nationalcaps1: | 17 |
| Nationalgoals1: | 0 |
Helmut Jahn (22 October 1917 – 18 March 1986) was a German footballer who played as a goalkeeper. He made 17 appearances for the Germany national team between 1939 and 1942.[1] [2]