Maya is the generally accepted term here. Identical singular plural and plural forms for the demonyms is very common for indigenous groups in the Americas. Hopi

Maya is the generally accepted term here. Identical singular plural and plural forms for the demonyms is very common for indigenous groups in the Americas. Hopi, Maya, Cree, etc. The language family is commonly called "mayan" because of historical convention, but some people prefer to call the various languages "maya" instead.