1st Division (Thailand)

1st Division, King's Guard
1st Division, King's Guard
กองพลที่ 1 รักษาพระองค์
	Emblem of the 1st Division, King's Guard
Active	1905 – present
Country	Thailand
Branch	Royal Thai Army
Type	Combined arms
Size	division
Part of	1st Army Area; 1st Army Corps
Garrison/HQ	Dusit subdistrict, Dusit, Bangkok
Nickname(s)	Wongthewan (วงศ์เทวัญ, Divine clique)
Engagements	World War I; Boworadet rebellion; World War II Franco-Thai War; Pacific War; ; Cold War Korean War; Vietnam War; Communist insurgency in Thailand; Vietnamese border raids in Thailand; Thai–Laotian Border War; ; South Thailand insurgency; Cambodian–Thai border dispute;
Website	https://1divisionkingguard.rta.mi.th/index2.html

The 1st Division, King's Guard (Thai: กองพลที่ 1 รักษาพระองค์) (พล.๑ รอ.) is an infantry division of the Royal Thai Army, it is currently a part of the 1st Army Area. King Chulalongkorn (Rama V) founded the division in 1905. The Royal Command of King Bhumibol Adulyadej (Rama IX) designated the division as a King's Guard unit in 1973.

The division comprises one infantry regiment and four attachment units, the 31st Infantry Regiment, King's Guard. The division and its subsidiary units are mostly based in or around Bangkok, Thailand. The 31st Regiment is garrisoned in Lopburi.