Acolnahuacatl (also Aculnahuacatl, Acolnahuacatzin) was a king of the Tepanec city of Azcapotzalco.

He married princess Cuetlaxochitzin, daughter of king Xolotl.

[1] According to the historian Chimalpain, Acolnahuacatl ruled from 1302 to 1366 and Tezozomoc from 1367 to 1426.

Some contemporary historians placed Acolnahuacatl's death and Tezozómoc's rise in 1371.

[2] Acolnahuacatl was a grandfather to Tayatzin, Maxtla, Xiuhcanahualtzin and Ayauhcihuatl.