| Wilhelm Schmieger | |
| Birth Date: | 24 April 1887 |
| Birth Place: | Wien, Austria |
| Position: | Forward |
| Years1: | 1904–20 |
| Clubs1: | Wiener Sport-Club |
| Nationalyears1: | 1907–12 |
| Nationalteam1: | Austria |
| Nationalcaps1: | 7 |
| Nationalgoals1: | 5 |
| Manageryears1: | 1918–23 |
| Managerclubs1: | Wiener Sport-Club |
Wilhelm Schmieger was an Austrian international footballer. At club level, he played for Wiener Sport-Club. He made 7 appearances for the Austria national team, scoring five goals. He also managed Wiener Sport-Club. In addition, he also acted as referee in various international matches between 1914 and 1916.