This article contains a list of ants of Thailand from Khachonpisitsak et al. (2020). Khachonpisitsak et al. (2020) report 529 ant species and subspecies in 109 genera for Thailand. These belong to 10 different subfamilies. Thailand is the type locality for 81 species. An earlier comprehensive checklist of ant species of Thailand can be found in Jaitrong & Nabhitabhata (2005).