|Spoiler Alert: This page contains spoilers. Read at your own risk.|
The South-East Asian League (東南アジア同盟 Tōnan'ajia Dōmei, lit. The League of South-East Asian Nations) is one of the new nations in the Mahouka Koukou No Rettousei universe created following World War III.
The South-East Asian League is made up of territories consisting of modern day Indonesia, Singapore, Philippines, Malaysia, Brunei, Cambodia, East Timor, New Guinea, Taiwan, and the Kingdom of Thailand. 
Kingdom of Thailand
- Somchai Bunnag (ソム・チャイ・ブンナーク)
- The South-East Asian League mediated between the Great Asian Union and Japan, after being requested in order for a ceasefire to be established after the events of Scorched Halloween.