Nicolas Rigault (Rigaltius; 1577-1654) was a French classical scholar.
Born at Paris, he was educated by the Jesuits. He was successively councillor of the parlement of Metz, procurator general at Nancy, and intendant of the province of Toul.
He prepared annotated editions of Phaedrus, Martial, Juvenal, Tertullian, Minucius Felix, Saint Cyprian, and also some mixed collections: Rei accipitrariæ scriptores, 1612; Rei agrariae scriptores, 1613.
He acted as librarian to Louis XIII. He used a pseudonym J. B. Aeduus.