| Birth Date: | 28 July 1939 |
| Birth Place: | Jūrmala, |
| Sport: | Rowing |
| Club: | Dynamo Riga |
| Show-Medals: | yes |
Daina Šveica (née Mellenberga, born 28 July 1939) also known as Daina Schweiz (Russian: Дайна Викторовна Швейц-Малленберга) is a retired Latvian rower who was most successful in the double sculls. In this event she won five European medals between 1963 and 1967, three gold medals with Maija Kaufmane (1963–1965) and one gold and one bronze with Tatyana Gomolko. Šveica was a member of the International Rowing Federation.