Michael Anthony "Mike" Gatto (born October 19, 1974) is an American public official.
After being elected to the California State Assembly, he served as Assistant Speaker Pro Tempore, Chairman of the Appropriations Committee, Chairman of the Consumer Protection & Privacy Committee, and Chairman of the Utilities & Commerce Committee, and was the author of several pieces of notable legislation.
Data analyses of the voting records conducted by the Sacramento Bee newspaper concluded that Gatto was among the most independent Assembly members.Gatto currently serves on the Delta Stewardship Council, an entity that handles water-supply and environmental issues pertaining to rivers.
In October 2019, Gatto submitted a statewide ballot initiative that seeks to address the state's homelessness crisis in a novel and comprehensive fashion.