The Ministry of Interior of the Kingdom of Thailand is a cabinet-level department in the Government of Thailand. The ministry has wide ranging responsibilities. It is responsible for local administration, internal security, citizenship, disaster management, road safety, land management, issuance of national identity cards, and public works. The ministry is responsible for appointing the 76 governors of the Provinces of Thailand. The Minister of Interior is the head of the ministry. He is appointed by the King of Thailand on the recommendation of the prime minister. Since 1 September 2023, the head of the ministry has been Anutin Charnvirakul. He is aided by two deputy ministers. The FY2019 budget of the ministry is 371,802 million baht.

The cabinet of Thailand is a body composed of thirty-five of the most senior members of the government of the Kingdom of Thailand. The cabinet is the primary organ of the executive branch of the Thai government. Members of the cabinet are nominated by the prime minister and formally appointed by the King of Thailand. Most members are governmental department heads with the title of "minister of state". The cabinet is chaired by the Prime Minister of Thailand. The cabinet is often collectively called "the government" or "the Royal Thai Government".