| Olympic medal record | ||
|---|---|---|
| Competitor for the United States | ||
| Men's Swimming | ||
| Silver | 1920 Antwerp | 400 m freestyle |
Ludwig "Ludy" Langer (January 22, 1893 – July 5, 1984) was an American swimmer who competed in the 1920 Summer Olympics.
In the 1920 Olympics he won a silver medal in a 400 m freestyle event. He also competed in the 1500 m freestyle event, but was fourth in his semifinal and did not advance.