List of flags of the Royal Thai Armed Forces

The honor guard of the 1st Security Force Bataillion, Royal Thai Air Force, carried their unit colour called "Thong Chai Chalermphol" (ธงชัยเฉลิมพล) during the funeral procession of HRH Princess Galyani Vadhana in 2008.

Flags of the Royal Thai Armed Forces (Thai: ธงของกองทัพไทย). Most of the flags used by the Thai military today were stipulated in the Flag Act of 1979 (พระราชบัญญัติ ธง พ.ศ. ๒๕๒๒).^[1]^[2]

Ministry of Defence of Thailand

Flag	Date	Use	Description
	1979 -	Flag of the Minister of Defence of Thailand	White flag in the ratio of 5:6, with the Emblem of the Ministry of Defence in the center. The emblem consists of a red chakra (Army), the dark blue anchor (Navy) and the sky blue wings (Air Force) under the crown.

Royal Thai Armed Forces Headquarters

Flag	Date	Use	Description
	1979-	Flag of the Royal Thai Armed Forces Headquarters	Flag in the ratio of 2:3, with a yellow border on three sides except for the side facing the flag pole. The center is divided into a tricolour with red, dark blue and sky blue in order from the flag pole out (These represents the colour of the Army, Navy and Air force). At the center of the tricolour is a badge of the Headquarters with a golden Chakra, a with anchor with golden chains and golden Wings, surrounded by a golden wreath.
	1979-	Flag of the Chief of Defence Forces of Thailand	Similar to the Flag of the Royal Thai Armed Forces HQ but with five yellow stars surrounding the bottom of the badge.

Royal Thai Army

Flag	Date	Use	Description
	1979 -	Royal Thai Army Flag	Red flag with a ratio of 2:3, with the emblem of Royal Thai Army: a chakra under the Thai symbol for Aum /Unalome topped by the Great Crown of Victory with rays emanating from the top and flanked by a wreath.

Army Unit Colour

Flag	Date	Use	Description
	1979 -	Royal Thai Army Unit Colour	A square national flag of Thailand with the emblem of Royal Thai Army in middle, flanked with unit's name, and the King's Royal Cypher at the canton. This Colour called "Thong Chai Chalermphol" (ธงชัยเฉลิมพล) which can be translated as "Victory Colours").

Army command flags

Date	Use	Description
1979 -	Flag of the Commander-in-Chief of the Royal Thai Army	Red flag in the ratio of 2:3, with the emblem of Royal Thai Army with five stars underneath.
1979 -	Flag for Regional Commanders	Red flag with the emblem of Royal Thai Army with three stars underneath. Currently there are four Regional Commands: the 1st (Central), 2nd (Northeast), 3rd (Northwest) and 4th (South).
1979 -	Flag for Divisional Commanders	Red flag with the emblem of Royal Thai Army with two stars, one on either side.

Army rank flags

Date	Use	Description
1979 -	Flag for the rank of Field Marshal	Red flag in the ratio of 2:3, with five yellow stars surrounding a badge consisting of a crossed Royal Garuda Baton and a saber surrounded by a wreath of leaves.
1979 -	Flag for the rank of General	Red flag with four yellow stars in the middle
1979 -	Flag for the rank of Lieutenant General	Red with three yellow stars in the middle
1979 -	Flag for the rank of Major General	Red flag with two yellow stars in the middle
1979 -	Flag for the rank of Brigadier General	Red flag with one yellow star in the middle

Historical army flags

Date	Use	Description
1892–1908	Flag of the Royal Siamese Army	Red flag with the Coat of Arms of Siam at the center. Created during the reign of King Chulalongkorn for the first modern equipped land force in Siam.
1908 - 1936	Flag of the Commander of the Royal Siamese Army	Trairanga in the ratio of 5:6, with a white Chakra at the center.
1936–1979	Flag of the Commander of the Royal Siamese/Thai Army	Trairanga in the ratio of 5:6, with a Chakra and the Great Crown of Victory in yellow.

Royal Thai Navy

Date	Use	Description
1979 -	Royal Thai Navy Flag	Navy blue flag in the ratio of 2:3, with the emblem of Royal Thai Navy in a white circle.
1917 -	Naval Ensign of Thailand	A red disc containing a white elephant in regalia centred on the National Flag (also known as the 'Trairanga').
1917 -	Naval Jack of Thailand	A national flag with the emblem of Royal Thai Navy in the center.

Naval Unit Colour

Flag	Date	Use	Description
	1979 -	Royal Thai Navy Unit Colour	This colour use an identical design to Thai Naval Jack.

Naval command flags

Date	Use	Description
1897 -	Flag for Commander-in-Chief of the Royal Thai Navy	Navy blue flag in the ratio of 2:3, with the emblem of Royal Thai Navy.
1936 -	Flag for the Commander of the Fleet	Navy blue swallow-tailed flag in the ratio of 2:3, with the emblem of Royal Thai Navy.
1936 -	Flag for the Commander of a Squadron	Navy blue swallow-tailed flag with the emblem of Royal Thai Navy, the tip of the flag is white.
1936 -	Flag for the Commander of a Coastal Station	Navy blue swallow-tailed flag with the emblem of Royal Thai Navy, the tip of the flag is red.
1936 -	Flag for the Commander of the Royal Thai Marine Corps	Navy blue swallow-tailed flag with the emblem of Royal Thai Navy, the tip of the flag is yellow.

Naval rank flags

Date	Use	Description
1979 -	Flag for the rank of Admiral of the Fleet	Navy blue square flag with five white Chakras. The Chakras are positioned with four on each corner and one at the center of the flag.
1979 -	Flag for the rank of Admiral	Navy blue square flag with four white Chakras. The Chakras are position with four on each corner of the flag.
1979 -	Flag for the rank of Vice Admiral	Navy blue square flag with three white Chakras. Three Chakras two below and one in the middle of the flag- forming a triangle.
1979 -	Flag for the rank of Rear Admiral	Navy blue square flag with two white Chakras. Two Chakras parallel vertically.
1979 -	Flag for the rank of Commodore	Navy blue square flag with one white Chakra. One Chakra at the center of the flag.

Historical naval flags

Date	Use	Description
1881-1897	Naval Ensign of Siam	Red flag with a white elephant in regalia, with a white Chakra at the top corner.
1898–1912	Naval Ensign of Siam	Red flag with a white elephant in regalia.
1912–1917	Naval Ensign of Siam	Red flag with a white elephant in regalia, with the emblem of the Royal Thai Navy at the top corner.
1855–1881	Naval Jack of Siam	Blue flag with a white elephant.
1881–1917	Naval Jack of Siam	Blue flag with a white elephant in regalia.

Royal Thai Air Force

Flag	Date	Use	Description
	1979 -	Royal Thai Air Force Flag	Sky blue flag in the ratio of 2:3, with the emblem of Royal Thai Air Force: double-wings with the Thai Aum/ Unalome under the Great Crown of Victory with light emanating from the top.

Air Force Unit Colour

Flag	Date	Use	Description
	1979 -	Royal Thai Air Force Unit Colour	A square national flag of Thailand with the emblem of Royal Thai Air Force inside blue circle with yellow border in middle and flanked with unit's name. At the Canton there is the King's Royal Cypher. This Colour called "Thong Chai Chalermphol" (ธงชัยเฉลิมพล) which can be translated as "Victory Colours").

Air Force command flags

Flag	Date	Use	Description
	1979 -	Flag for Commander-in-Chief of the Royal Thai Air Force	Sky blue flag in the ratio of 2:3, with yellow borders and an emblem depicting an escutcheon depicting the National flag, behind are a pair of wings, topped by the Great Crown of Victory, with light rays and a white Aum/ Unalome.

Air Force rank flags

Date	Use	Description
1979 -	Flag for the rank of Marshal of the Royal Thai Air Force	Sky blue flag in the ratio of 5:6, with five white stars surrounding a badge consisting of a crossed Royal Garuda Baton and a saber surrounded by a wreath of leaves in white.
1979 -	Flag for the rank of Air Chief Marshal	Sky blue flag with four white stars.
1979 -	Flag for the rank of Air Marshal	Sky blue flag with three white stars.
1979 -	Flag for the rank of Air Vice Marshal	Sky blue flag with two white stars.
1979 -	Flag for the rank of Air Commodore	Sky blue flag with one white star.

Historical air force flags

Flag	Date	Use	Description
	1936–1979	Flag of the Commander of the Royal Siamese Air Force	Sky blue flag in the ratio of 5:6, with a yellow Chakra with two wings, topped by the Great Crown of Victory.

Historical war flags

Date	Use	Description
1885–1887	Standard of the Royal Siamese Army during the Haw wars	A red Flag with the Royal Coat of Arms of Siam at the center, with a three borders depicting the blades of a chakra. The flags was presented to Chao Phraya Surasakmontri (Cherm Saeng-Chuto) by King Chulalongkorn in 1885 as a colour for the Siamese army sent to fight the Haw rebels in the north of the country, the war ended in 1890. This colour is called "Thong Chudhadhujdhippatai" (ธงจุฑาธุชธิปไตย).^[3]^[4]
1917–1918	Standard of the Siamese Expeditionary Force, Obverse	Trairanga defaced with a red disc containing dressed white elephant, facing a flagpole. Briefly, its appearance is the same as naval ensign, but both red stripes contain a portion of the 6th century Chant to the Buddha's Victories written in Pali using Thai script: "พาหุํสหัส์สมภินิม์มิตสาวุธัน์ตํ ค๎รีเมขลํอุทิตโฆรสเสนมารํ ทานาทิธัม์มวิธินาชิตวามุนิน์โท ตัน์เตชสาภวตุเมชยสิทธินิจ์จํ". This flag was carried by the Siamese volunteer corp sent to the war in Europe in 1918, the force and the flag was part of the Allied victory parade under the Arc de Triomphe, in Paris 1919.
1917–1918	Standard of the Siamese Expeditionary Force, Reverse	Trairanga defaced with a red disc containing King Vajiravudh's personal cypher. The emblem features Thai acronym "ร.ร." and Thai digit six ("๖"), both are displayed under the glowing crown. Both red stripes of the flag contain the same inscription as the obverse.
1918–1946	Standard of the Thai Army	Trairanga defaced with a red disc containing a dressed white elephant, This flag was used as the flag of the army until the end of World War II, In present the flag was used only as Royal Navy flag.