The 2009 Western Kentucky Hilltoppers football team represented Western Kentucky University (WKU) during the 2009 NCAA Division I FBS football season. The team's head coach was David Elson. This year was their first year as a member of the Sun Belt Conference following one year as an FBS independent. The Hilltoppers played their home games at Houchens Industries–L. T. Smith Stadium in Bowling Green, Kentucky.