Ahtone is a Kiowa surname. Notable people with the surname include:

Heather Ahtone, Choctaw/Chickasaw museum curator Sharron Ahtone Harjo, Kiowa painter and educator Tahnee Ahtoneharjo-Growingthunder, also known as Tahnee Ahtone, Kiowa/ Muscogee/Seminole curator, museum director, and beadwork artist Tristan Ahtone, Kiowa journalist