| William A. Ryan | |
| District: | 14th |
| Term Start: | January 1, 1973 |
| Term End: | December 31, 1982 |
| Predecessor: | Ed Carey |
| Successor: | Joe Young, Sr. |
| Prior Term: | 3rd District (January 1, 1965-December 31, 1972) Wayne 3rd District (1958-December 31, 1964) |
| Speaker: | 60th |
| State House: | Michigan |
| Term Start2: | January 8, 1969 |
| Term End2: | December 31, 1974 |
| Predecessor2: | Robert E. Waldron |
| Successor2: | Bobby Crim |
| Birth Date: | 2 May 1919 |
| Birth Place: | Morgantown, West Virginia |
| Death Place: | Holt, Michigan |
| Restingplace: | St. Joseph Cemetery, Lansing, Michigan |
| Birthname: | William Aloysius Ryan |
| Party: | Democratic |
| Spouse: | Virginia |
| Residence: | Detroit, Michigan |
William A. Ryan (May 2, 1919 - October 9, 2001) was a Democratic politician from Michigan who served as a member of the Michigan House of Representatives, and was Speaker of the House from 1969 through 1974. Ryan was also the president and financial secretary for UAW Local 104.[1] Ryan also served as Clerk of the House in 1983 and 1984.[2] [3]