House of Representatives is the name of legislative bodies in many countries and sub-national entities. In many countries, the House of Representatives is the lower house of a bicameral legislature, with the corresponding upper house often called a "Senate". In some countries, the House of Representatives is the sole chamber of a unicameral legislature.

The functioning of a house of representatives can vary greatly from country to country, and depends on whether a country has a parliamentary or a presidential system. Members of a House of Representatives are typically apportioned according to population rather than geography.

The United States House of Representatives, first convened in 1789, was closely patterned on the House of Commons of Great Britain. It retains features such as a speaker of the house who is the presiding officer.

"The House of Representatives" currently is the name of a house of the legislature in the following countries:

In the following countries it is the sole chamber in a unicameral system:

The Indonesian People's Representative Council (Dewan Perwakilan Rakyat, DPR), the Dewan Rakyat of the Parliament of Malaysia and the Dáil Éireann of the Irish Oireachtas are all sometimes called "House of Representatives" in English.

House of Representatives is the title of most, but not all, of the lower houses of U.S. state legislatures, with the exceptions usually called "State Assembly", "General Assembly", or more rarely, "House of Delegates".

In Germany, the Landtag parliament of the city and state of Berlin, the Abgeordnetenhaus, is known in English as the House of Representatives.