The Iowa General Assembly is the legislative branch of the state government of Iowa. Like the federal United States Congress, the General Assembly is a bicameral body, composed of the upper house Iowa Senate and the lower Iowa House of Representatives respectively. The Senate consists of four year terms and the House consists of two year terms. The General Assembly convenes within the Iowa State Capitol in Des Moines since the capital was moved there in 1857. The assembly convenes annually on the second Monday in January.

In the United States, the state legislature is the legislative branch in each of the 50 U.S. states.