| Year: | 1899 |
| Team: | Washington University |
| Sport: | football |
| Conference: | Independent |
| Record: | 5–1 |
| Head Coach: | Arthur N. Sager |
| Hc Year: | 1st |
| Stadium: | Pastime Park, Handlan's Park, Athletic Park |
The 1899 Washington University football team represented the Washington University in St. Louis as an independent during the 1899 college football season. Led by Arthur N. Sager in his first and only season as head coach, Washington University compiled a record of 5–1.