Attavyros (Greek: Αττάβυρος) is a former municipality on the island of Rhodes, in the Dodecanese, Greece.

[2] The population is 2,127 (2021 census); the land area is 234.350 km².

[3] It is the westernmost municipal unit on the island, occupying the central portion of its western coast.

Its largest other towns are Ágios Isídoros and Kritinia.

In land area it is the second-largest municipal unit on Rhodes and the second-least densely populated, after South Rhodes (Notia Rodos).