Arena Football 1 may refer to either of two arena football leagues founded by Jerry Kurz:
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Arena Football League
The Arena Football League (AFL) was a professional arena football league in the United States. It was founded in 1986, but played its first official games in the 1987 Arena Football League season, 1987 season, making it the third longest-runnin ...
, the second incarnation of which used the working title Arena Football 1 (AF1) briefly in 2009
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Arena Football One (2025)
Arena Football One (AF1) is a professional arena football league based in Nashville, Tennessee, that began play in 2025. The league was founded by the eight teams who had survived the 2024 Arena Football League season. The eight founding teams, ...
, a league that launched in 2025
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