| Joan Hayes | |
| Birth Date: | 29 February 1916 |
| Office: | Member of the Hawaii House of Representatives |
| Term Start: | 1983 |
| Term End: | 1990 |
| Party: | Democratic[1] |
| Children: | 2 |
| Alma Mater: | Radcliffe College |
Joan Hayes (February 29, 1916 – August 6, 2005) was an American politician. She served as a Democratic member of the Hawaii House of Representatives.[2] [3] 1953, she was the first woman to be registered as a lobbyist in Washington, D.C.[4]