The 1978 Kansas City Chiefs season was the franchise's 9th season in the National Football League, the 16th as the Kansas City Chiefs, and the 19th overall. It began with the hiring of new head coach Marv Levy, formerly of the Canadian Football League's Montreal Alouettes. With the NFL expanding its schedule to 16 games, the Chiefs finished with a 4–12 record and 5th in the AFC West.