Acanthopelma beccarii is a species of spider belonging to the family Theraphosidae (tarantulas).

[1] It is endemic to Guyana in northern South America.

While there are specimens held in captivity, it is not a very popular species in this regard.

[clarification needed] Caporiacco, L. di (1947): "Diagnosi preliminari de specie nuove di aracnidi della Guiana Britannica raccolte dai professori Beccari e Romiti".

(2008): The world spider catalog, version 8.5.