The 2009 Troy Trojans football team represented Troy University in the 2009 NCAA Division I FBS football season. They played their home games at Movie Gallery Stadium in Troy, Alabama and competed in the Sun Belt Conference. The Trojans won their fourth straight Sun Belt championship going undefeated in conference play (8–0) with a regular season record of 9–3. They were invited to the GMAC Bowl, where they played Mid-American Conference champion Central Michigan and were defeated, 44–41, in two overtimes.