Erastus Corning (1794–1872), American businessman and politician

Erastus Snow (1818–1888), member of the Quorum of the Twelve Apostles of The Church of Jesus Christ of Latter-day Saints (1849-1888)

Thomas Erastus (1524–1583), Swiss theologian

Erastus Corning 2nd (1909-1983), mayor of Albany, New York

Erastus Otis Haven (1820–1881), president of Northwestern University

Erastus Brigham Bigelow (1814–1879), American inventor of weaving machines

Erastus of Corinth, Corinth's "director of public works" (Romans verse 16:23), disciple of Paul (2 Timothy 4:20)