Legislative power in the State lies with the Oyo State House of Assembly (OYSHA) composed of elected Constituency Members and assisted by Support Staff. The Oyo State House of Assembly has members who are elected for a tenure of 4 years to represent their various State constituencies.
The State House of Assembly has;
- The Speaker
- The House Leader
- The Chief Whip and;
- The House Committee Chairman as key officers.
The Legislature has oversight functions over the Executive arm and the Local Government Councils (LGCs) of the State.