The Codex Magliabechiano is a pictorial Aztec codex created during the mid-16th century, in the early Spanish colonial period. It is representative of a set of codices known collectively as the Magliabechiano Group. Others in the group include the Codex Tudela and the Codex Ixtlilxochitl.

The Codex Magliabechiano is primarily a religious document. Its 92 pages are almost a glossary of cosmological and religious elements. They depict in turn the 20 day-names of the tonalpohualli the 18 monthly feasts, and the 52-year cycle. They also show various deities, indigenous religious rites, costumes, and cosmological beliefs.