The Ministry of Defence (Abrv: MOD; Thai: กระทรวงกลาโหม, RTGS: Krasuang Kalahom), is a cabinet-level government department of the Kingdom of Thailand.

The ministry and the forces are administered by an appointed politician, the Minister of Defence, a member of the Cabinet of Thailand.

The ministry in its current design was formed in 1887, by the order of King Chulalongkorn, to create a permanent military command.

[2] In 1914, King Vajiravudh determined that the act providing for invoking martial law, first promulgated by his father in 1907, was not consistent with modern laws of war nor convenient for the preservation of the external or internal security of the state, so it was changed to the modern form that, with minor amendments, continues to be in force.

[3] The military augments its budgets through its ownership of golf courses, racetracks, boxing stadia, and radio and television stations.