Pêro de Ataíde or Pedro d'Ataíde (d'Atayde, da Thayde), nicknamed O Inferno (Hell), (c. 1450 - February/March, 1504, Mozambique Island) is a Portuguese sea captain in the Indian Ocean active in the early 1500s.

He iss briefly captain of the first permanent Portuguese fleet in the Indian Ocean, taking over from Vicente Sodré, and the author of a famous letter giving an account of its fate.