The Colorado General Assembly is the state legislature of the State of Colorado. It is a bicameral legislature consisting of the Senate and House of Representatives that was created by the 1876 state constitution. Its statutes are codified in the Colorado Revised Statutes (C.R.S.). The session laws are published in the Session Laws of Colorado.

The Colorado State Senate is the upper house of the Colorado General Assembly, the state legislature of the US state of Colorado. It is composed of 35 members elected from single-member districts, with each district having a population of about 123,000 as of the 2000 census. Senators are elected to four-year terms, and are limited to two consecutive terms in office. Senators who are term-limited become eligible to run again after a one-term respite.