Proba may refer to:
people
Faltonia Betitia Proba, fourth-century Latin poet
Anicia Faltonia Proba, her niece and the recipient of letters from Saint Augustine and Saint John Chrysostom
places
Próba, Łódź Voivodeship, village in the administrative district of Gmina Brzeźnio, within Sieradz County, Łódź Voivodeship, in central Poland.
Proba, Leningrad Oblast, settlement in Russia
other uses
Proba (bug), a genus of insects in the tribe Mirini
PROBA, a series of low-cost satellites from the European Space Agency