| Karl Gannon | |
| Fullname: | Karl Gannon |
| Birth Date: | 11 September 1974 |
| Birth Place: | Dublin, Ireland |
| Position: | Striker |
| Youthyears1: | 19??–1991 |
| Youthclubs1: | St. Kevins Boys F.C. |
| Years1: | 1991–1994 |
| Years2: | 1994–1996 |
| Years3: | 1996–1997 |
| Years4: | 1998–2000 |
| Caps1: | 69 |
| Caps2: | 58 |
| Caps3: | 38 |
| Caps4: | 67 |
| Goals1: | 26 |
| Goals2: | 11 |
| Goals3: | 9 |
| Goals4: | 11 |
| Totalcaps: | 232 |
| Totalgoals: | 57 |
Karl Gannon (born 11 September 1974 in Dublin) is an Irish former footballer.
He made his League of Ireland debut for Home Farm at Waterford United on 6 October 1991. He was the top scorer in the 1993–94 League of Ireland First Division with 16 goals.[1]
He signed for Shamrock Rovers in 1995 where he stayed for two seasons making two appearances in European competition before signing for Waterford United.[2]
His father, Mick Gannon, played for Shamrock Rovers in the 1970s.