The Ministry of the Interior (MOI; Chinese: 內政部; pinyin: Nèizhèngbù; Pe̍h-ōe-jī: Luē-chèng-pō͘) is a cabinet level ministry under the Executive Yuan of the Republic of China (Taiwan). It is the ministry responsible for home affairs and security throughout Taiwan, including population, land, construction, military service administration, national emergency services, local administration systems, law enforcement.

It closely monitors the rights of the residents and every aspect of national development to ensure steady progress of the nation, strengthen social peace and order, and upgrade the quality of citizens' lives.

The Ministry strives to achieve the following:

In accordance to the Ministry of Interior Organization Act, the Ministry is charged with the following:

The Ministry is organized into departments, one office, four sections, six committees, and one center to share the responsibilities.

Furthermore, the Ministry is also set up with sixteen social administration units and two land administration units, which are directly under the management of the Ministry as second level agencies.

  Non-partisan/ unknown   Kuomintang (Nationalist)   Democratic Progressive Party   People First Party

The MOI building is accessible by NTU Hospital Station of the Taipei Metro on the Red Line.