William Allen Lyons (born April 26, 1958, in Alton, Illinois) is a former Major League Baseball infielder. He played in parts of two seasons in the majors, 1983 and 1984, for the St. Louis Cardinals, primarily as a second baseman.
Bill Lyons
| Given name: | William Allen Lyons |
| Nicknames: | None |
| Primary Pos: | Secondbase |
| Hght/Wght: | 6'1" / 175 lbs |
| Bats/Throws: | R / R |
| Born: | Apr 26, 1958 in Alton, IL |
| Age: | 67 |
| Debut: | Jul 20, 1983 |