The House of Representatives is the lower chamber of Nigeria's bicameral National Assembly. The Senate is the upper chamber.

The National Assembly of the Federal Republic of Nigeria is a bicameral legislature established under section 4 of the Nigerian Constitution. It consists of a Senate with 109 members and a 360-member House of Representatives. The body, modeled after the federal Congress of the United States, is supposed to guarantee equal representation with 3 senators to each 36 states irrespective of size in the Senate plus 1 senator representing the Federal Capital Territory and single-member district, plurality voting in the House of Representatives. The National Assembly, like many other organs of the Nigerian federal government is based in Abuja in the Federal Capital Territory.