| Gaston Grandain | |
| Birth Date: | 16 April 1911 |
| Birth Place: | Ixelles, Belgium |
| Death Date: | 2000 (aged 88–89) |
| Internationalyears1: | 1956–1961 |
| Confederation1: | FIFA listed |
| Internationalrole1: | Referee |
Gaston Grandain (16 April 1911 – 2000) was a Belgian football referee.
Grandain was assigned as a FIFA referee in 1956.
In 1960, Grandain was appointed as a referee for the 1960 European Nations' Cup, where he officiated a semi-final match between France and Yugoslavia.[1]
Grandain retired from refereeing in 1961. He died in 2000.[2]