We recorded 23 Ranong guitarfish (Rhinobatos ranongensis) in Southwest Aceh, Indonesia. Measured specimens ranged between 72 and 87 cm total length. There are 20 recorded guitarfish species (Genus Rhinobatos) and so far, three of them have been recorded in Indonesia: Jimbaran shovelnose ray (Rhinobatos jimbaranensis), Indonesian shovelnose ray (Rhinobatos pengali) and Shaw’s shovelnose guitarfish (Rhinobatos thouiniana). Rhinobatos ranongensis is listed as Vulnerable by IUCN and found in the Eastern Indian Ocean. The only recorded samples are from Andaman Sea, Myanmar and western Thailand. The specimens that landed in Southwest Aceh is the first recorded in Indonesia and the largest ever recorded.