| Roberto Mañalich | |
| Full Name: | Roberto Mañalich Alfonso |
| Birth Date: | 1906 3, df=yes |
| Birth Place: | Havana, Cuba |
| Sport: | Fencing |
| Show-Medals: | yes |
Roberto Mañalich Alfonso (born 4 March 1906, date of death unknown) was a Cuban fencer. He competed in the individual and team épée and individual sabre events at the 1948 Summer Olympics.[1]