List of government ministries of Thailand

The Government Ministries of Thailand (Thai: กระทรวง: Krasuang) are the government agencies that compose the executive branch of the Government of Thailand. Each ministry is headed by a minister of state (Thai: รัฐมนตรีว่าการกระทรวง, rtgs: Ratthamontri Wa Kan Krasuang) and, depending on the prime minister, several deputy ministers (Thai: รัฐมนตรีช่วยว่าการกระทรวง) . The combined heads of these agencies form the Cabinet of Thailand. There are 19 ministries. The combined employees of these departments make up the Civil Service of Thailand.

The present structure of the Royal Thai Government has been the same since the Administrative Reorganisation Act, BE 2545 (2002). The cabinet includes 19 ministries plus the Office of the Prime Minister (OPM):

(Renew Seal Design in 2016)

During the Rattanakosin Period, the kingdom's administration was similar to that during the Ayutthaya Period. There were two chief ministers (Thai: อัครมหาเสนาบดี: Akkhramahasenabodi): the first running military affairs or "samuhakalahom" (Thai: สมุหกลาโหม) and the second "Samuhanayok" (Thai: สมุหนายก) for civilian affairs. The civilian ministry was divided further into four "kroms" (Thai: กรม), headed by a "senabodi" (Thai: เสนาบดี) or "minister". This type of administration was called the "chatusadom" (Thai: จตุสดมภ์) :

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