The Congress of Deputies (Spanish ) is the lower house of Spain.

Congress of Deputies may also refer to the following legislatures : the Congress of Deputies a.k.a. Cortes republicanas (1931–1939), unicameral legislature of the Second Spanish Republic the Congress of People's Deputies of the Soviet Union (, , 1989–1991) the Congress of People's Deputies of Russia (, , 1990–1993) the Legislative Assembly of Costa Rica, a.k.a. Congress of Deputies the Congress of the Republic of Guatemala (), made up of 160 Deputies () the National Congress of Honduras (), made up of 128 Deputies ()

See also Congress (disambiguation) Deputy (legislator) Congress of People's Deputies (disambiguation) National Congress (disambiguation)