| Birth Place: | Reşiţa, Romania |
| Height: | 189 cm |
| Weight: | 85 kg |
| Sport: | Volleyball |
| Club: | CS Dinamo București |
| Show-Medals: | yes |
William Schreiber (born 10 February 1942) is a retired Romanian volleyball player. He was part of the Romanian national team that placed fifth at the 1972 Summer Olympics.