Gannon is a surname. Notable people with the surname include:Bob Gannon (1959-2017), American businessman and politician Craig Gannon, English guitarist Jeff Gannon, pen name of James Guckert, a former White House reporter Jim Gannon, English football manager Jim Gannon, Australian professional rugby league player John D. Gannon (1948–1999, computer scientist, professor at the University of Maryland John Mark Gannon, former archbishop of the Diocese of Erie Jonathan Gannon, National Football League Coach Kelli Gannon, former field hockey midfield player from the United States Kim Gannon, American songwriter Mary Gannon, co-founder of the architectural firm Gannon and Hands Rich Gannon, National Football League quarterback Tim Gannon, polo player, co-founder of Outback Steakhouse Terry Gannon, sportscaster for ESPN on ABC and ESPN
