| William Edgar Hayes | |
| Birth Date: | April 14, 1879 |
| Death Place: | Stony Plain, Alberta. |
| Birth Place: | Prince Albert, Ontario |
| Office: | Member of the Legislative Assembly of Alberta |
| Constituency: | Stony Plain |
| Term Start: | August 22, 1935 |
| Term End: | April 2, 1939 |
| Predecessor: | Donald Macleod |
| Successor: | Cornelia Wood |
| Party: | Social Credit |
William Edgar Hayes (April 14, 1879 – April 2, 1939) was a provincial level politician from Alberta, Canada. He served as a member of the Legislative Assembly of Alberta sitting with the governing Social Credit caucus from 1935 until his death in 1939.
Hayes ran for a seat to the Alberta Legislature in the 1935 Alberta general election. He swept to power with almost 60% of the popular vote in the Stony Plain electoral district. He defeated three other candidates in the race including United Farmers incumbent Donald Macleod who finished a distant third.[1]
Hayes died on April 2, 1939, from a reported heart seizure late into his first term in office at his home in Stony Plain, Alberta. He was buried in a cemetery in Edmonton. A large portion of the Social Credit caucus turned out including Premier William Aberhart.[2]