| Flag | Date | Use | Description |
| 1979–present | 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–present | Flag for the rank of General | Red flag with four yellow stars in the middle |
| 1979–present | Flag for the rank of Lieutenant General | Red with three yellow stars in the middle |
| 1979–present | Flag for the rank of Major General | Red flag with two yellow stars in the middle |
| 1979–present | Flag for the rank of Brigadier General | Red flag with one yellow star in the middle |
| Flag | Date | Use | Description |
| 1892–1908 | Flag of the Royal Siamese Army | Red flag with the Coat of Arms of Siam at the centre. Created during the reign of King Chulalongkorn for the first modern equipped land force in Siam. |
| 1908–1936 | Flag of the Royal Siamese Army | Red flag with a white elephant in regalia. With the appropriate royal cypher in the top canton. |
| 1936–1979 | Flag of the Royal Thai Army | Trairanga with the old emblem of the Royal Siamese Army at the center. The emblem depicts an unalom, inside a chakra. Inside the rim of the chakra is written the phrase: สละชีพ เพื่อชาติ. The chakra is surrounded by rays of light. |
| 1936–1938 | Flag of the Commander of the Royal Siamese Army | Trairanga in the ratio of 5:6, with a white Chakra at the center. |
| 1938–1979 | Flag of the Commander of the Royal Thai Army | Trairanga in the ratio of 5:6, with a Chakra and the Great Crown of Victory in yellow. |
| 1892–1897 | Regimental Colours of the Royal Siamese Army. | From the Flag Regulations for the Kingdom of Siam of Rattanakosin Era 110, granted in 1892 A.D.
White, in the upper right hand corner of which is the seal of office of the regimental namely: - a small red rectangular ground one sixth of the length by one sixth of the breadth of the flag. In the center of this small red ground is a pedestal of yellow colour on which stands a white, elephant, caparisoned, and facing the flag stall.
The colour of the ground of the seal of office varies according to instructions.
These Colours are to be used at all Royal festival and receptions, also in Military expeditions. |
| 1908–1910 | Royal Siamese Army unit colours | Square red flag with a white elephant in regalia. With the Royal Cypher of King Chulalongkorn in the canton. The unit's name is written around the cypher. |
| 1910–1925 | Royal Siamese Army unit colours | Square red flag with a white elephant in regalia. With the Royal Cypher of King Vajiravudh in the canton. The unit's name is written around the cypher. |
| 1925–1935 | Royal Siamese Army unit colours | Square red flag with a white elephant in regalia. With the Royal Cypher of King Prajadhipok in the canton. The unit's name is written around the cypher. |
| 1936–1949 | Royal Thai Army unit colours | A square national flag of Thailand. With the old emblem of Royal Thai Army in middle, surrounded below with the unit's name, and the Royal Cypher of King Ananda Mahidol at top canton. |
| 1949–1979 | Royal Thai Army unit colours | A square Trairanga with the old emblem of Royal Thai Army in middle, surrounded below with the unit's name, and the Royal Cypher of King Bhumibol Adulyadej at top canton. |
| Flag | Date | Use | Description |
| 1897–present | Flag for the Commander-in-Chief of the Royal Thai Navy | Navy blue flag in the ratio of 2:3, with the emblem of the Royal Thai Navy. |
| 1936–present | Flag for the Commander of the Fleet | Navy blue swallow-tailed flag in the ratio of 2:3, with the emblem of the Royal Thai Navy. |
| 1936–present | Flag for the Commander of a Squadron | Navy blue swallow-tailed flag with the emblem of the Royal Thai Navy, the tip of the flag is white. |
| 1936–present | Flag for the Commander of a Base | Navy blue swallow-tailed flag with the emblem of the Royal Thai Navy, the tip of the flag is sky blue. |
| 1936–present | Flag for the Commander of a Coastal Station | Navy blue swallow-tailed flag with the emblem of the Royal Thai Navy, the tip of the flag is red. |
| 1936–present | Flag for the Commander of the Royal Thai Marine Corps | Navy blue swallow-tailed flag with the emblem of the Royal Thai Navy, the tip of the flag is yellow. |
| Flag | Date | Use | Description |
| 1979–present | 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–present | Flag for the rank of admiral | Navy blue square flag with four white Chakras. The Chakras are positioned with four on each corner of the flag. |
| 1979–present | 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–present | Flag for the rank of rear admiral | Navy blue square flag with two white Chakras. Two Chakras parallel vertically. |
| 1979–present | Flag for the rank of commodore | Navy blue square flag with one white Chakra. One Chakra at the center of the flag. |
| Flag | Date | Use | Description |
| 1979–present | 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–present | Flag for the rank of Air Chief Marshal | Sky blue flag with four white stars. |
| 1979–present | Flag for the rank of Air Marshal | Sky blue flag with three white stars. |
| 1979–present | Flag for the rank of Air Vice Marshal | Sky blue flag with two white stars. |
| 1979–present | Flag for the rank of Air Commodore | Sky blue flag with one white star. |
| Flag | Date | Use | Description |
| 1936–1939 | Flag of the Royal Siamese Air Force Division | Trairanga with the emblem of the Royal Siamese Air Force Division on a blue background in the center. |
| 1939–1946 | Flag of the Royal Thai Air Force | Trairanga with the old emblem of the Royal Thai Air Force on a blue circle in the center. Top right is the Royal Cypher of King Ananda Mahidol. |
| 1939–1946 | Flag of the Royal Thai Air Force | Trairanga with the old emblem of the Royal Thai Air Force on a blue circle in the center. Top right is the Royal Cypher of King Bhumibol Adulyadej. |
| 1946–1979 | Flag of the Royal Thai Air Force | Trairanga with the emblem of the Royal Thai Air Force on a blue circle in the center. Top right is the Royal Cypher of King Bhumibol Adulyadej. |
| 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. |