Proba may refer to:

1. people

2. Faltonia Betitia Proba, fourth-century Latin poet

3. Anicia Faltonia Proba, her niece and the recipient of letters from Saint Augustine and Saint John Chrysostom

4. places

5. Próba, Łódź Voivodeship, village in the administrative district of Gmina Brzeźnio, within Sieradz County, Łódź Voivodeship, in central Poland.

6. Proba, Leningrad Oblast, settlement in Russia

7. other uses

8. Proba (bug), a genus of insects in the tribe Mirini

9. PROBA, a series of low-cost satellites from the European Space Agency