Morrison is a city in Whiteside County, Illinois, United States. The population was 4,307 at the 2010 census. It is the county seat of Whiteside County. One of the town founders was Lyman Johnson.
In mid-November 2008, the town's Open Bible Fellowship Church gained national media attention after former pastor Ted Haggard delivered two confessional sermons there.
Nov. 27, 2009 – Morrison High School Boys Football Mustangs defeat Maroa-Forsyth 36-14 to win the IHSA Illinois State Division 2A Championship.