The 2023 FIU Panthers football team represented Florida International University (FIU) as a member of Conference USA (C-USA) during the 2023 NCAA Division I FBS football season. The Panthers were led by second-year head coach Mike MacIntyre and played home games at Riccardo Silva Stadium in Miami, Florida. The Panthers drew an average home attendance of 15,290 in 2023.
FIU and Conference USA announced the Panthers' schedule on January 10, 2023.