Are there still full Aztec, Mayan, or Incan people?

Of course. Most of the people living in Yucutan, Quintana Roo and several other Mexican states and also most of the inhabitants of Guatemala are Maya. read more

Several Aztec languages also persist, the most common one being Nahuatl, which is still spoken by 1.5 million people as a native language. The Inca language (Quechuan) is spoken throughout South America, and is the native language of nearly 9 million people. read more

Yes (Aztecs)Nahua people still exist in Mexico and El Salvador and Maya speaking groups still exist in Mexico, Guatemala,Belize and Honduras. In fact both ethnic groups coexist in the Mexican states of Veracruz and San Luis Potosi(Aztec people-Huasteca Nahuatl - Wikipedia),(Maya people-Huastec language - Wikipedia). read more