| Dave Lyon | |
| Fullname: | David George Lyon |
| Birth Date: | 18 January 1951 |
| Birth Place: | Bowden, Cheshire, England |
| Death Place: | Chesterton, England |
| Position: | Defender |
| Youthyears1: | – |
| Youthclubs1: | Bury |
| Years1: | 1968–1971 |
| Clubs1: | Bury |
| Caps1: | 71 |
| Goals1: | 0 |
| Years2: | 1971–1974 |
| Clubs2: | Huddersfield Town |
| Caps2: | 25 |
| Goals2: | 0 |
| Years3: | 1973–1974 |
| Clubs3: | → Mansfield Town (loan) |
| Caps3: | 2 |
| Goals3: | 0 |
| Years4: | 1974–1977 |
| Clubs4: | Cambridge United |
| Caps4: | 85 |
| Goals4: | 11 |
| Years5: | 1977–1978 |
| Clubs5: | Northampton Town |
| Caps5: | 6 |
| Goals5: | 0 |
| Years6: | – |
| Clubs6: | Cambridge City |
David George Lyon (18 January 1951 – 29 April 1999) was an English professional footballer who played in the Football League as a defender for Bury, Huddersfield Town, Mansfield Town, Cambridge United and Northampton Town during the 1960s and 1970s.[1]