Extreme Football League can mean:
Xtreme Football League, a planned indoor football league for 1999 that would merge with af2 in 2000 X League (women's football), a women's football league in the United States XFL (2001), a professional American football league in the United States that played for one season in 2001 XFL (2020), the second incarnation of the XFL league that began play in 2020
See also XFL (disambiguation) X League (disambiguation)