| Giovanni Gavagnin | |
| Nationality: | Italian |
| Birth Date: | 15 September 1936 |
| Birth Place: | Portogruaro, Italy |
| Death Date: | 3 March 2013 (aged 76) |
| Death Place: | Caserta, Italy |
| Height Ft: | 6 |
| Height In: | 6.75 |
| Weight Lb: | 208 |
| Career Position: | Center |
| Career Start: | 1960 |
| Career End: | 1976 |
| Coach Start: | 1965 |
| Coach End: | 2006 |
| Years1: | 1960–1967 |
| Team1: | Varese |
| Years2: | 1967–1970 |
| Years3: | 1970–1975 |
| Team3: | Varese |
| Years4: | 1975–1976 |
| Team4: | Juvecaserta |
| Cyears1: | 1965–1966 |
| Cteam1: | Varese |
| Cyears2: | 1967–1968 |
| Cyears3: | 1975–1976 |
| Cyears4: | 1978–1980 |
| Cyears5: | 2004–2006 |
| Cteam5: | Pantere Basket Femminile (assistant) |
| Highlights: | As player:
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Giovanni Angelo Gavagnin (15 September 1936 – 3 March 2013) was an Italian professional basketball player and coach. In 2009, he was inducted into the Italian Basketball Hall of Fame.
During his pro club career, Gavagnin won the 1969–70 season's FIBA Saporta Cup championship.
Gavagnin was a part of the senior Italian national basketball teams that finished in fourth and fifth place at the 1960 and 1964 Summer Olympics, respectively.