| Billy Lynn | |
| Fullname: | William Lynn |
| Birth Date: | 1947 1, df=y |
| Birth Place: | Newcastle upon Tyne, England |
| Death Place: | Gateshead, England |
| Position: | Winger |
| Years1: | 1965–1967 |
| Caps1: | 4 |
| Goals1: | 0 |
| Years2: | 1967–19?? |
| Caps2: | 0 |
| Goals2: | 0 |
William Lynn (20 January 1947 – July 2014) was an English professional footballer who played as a winger for Huddersfield Town and Rotherham United. He was born in Newcastle upon Tyne.