Augustus \a(u)-gus-tus, aug(u)-stus\ as a boy's name is of Latin origin, and the meaning of Augustus is "great, magnificient". Given historical glamour by Roman emperors and German princely families, who brought it to Britain in the 18th century, when it became very fashionable. Now rare. Sculptor Augustus Saint-Gaudens; painter Augustus John; beer magnate Augustus Busch.

Augustus has 14 variant forms: Agostino, Auggie, Augie, Auguste, Augustin, Augusto, Augy, Austen, Austin, Austyn, Gus, Guss, Gussie and Guus.

For more information, see also related names Augustine and August.

Baby names that sound like Augustus are Agustus and Augustyn.