Rugby school football and descendants

• Rugby football
  • Rugby league — often referred to simply as "league", and usually known simply as "football" or "footy" in the Australian states of New South Wales and Queensland.
    • Rugby league nines (or sevens)
    • Touch football (rugby league) — a non-contact version of rugby league. Often called simply "touch", in South Africa it is known as "six down"
  • Rugby union
    • Mini rugby a variety for children.
    • Rugby sevens
      

      

      Rugby sevens; Fiji v Cook Islands at the 2006 Commonwealth Games in Melbourne
    • Rugby tens
  • Beach rugby — rugby played on sand
  • Touch rugby — generic name for forms of rugby football which do not feature tackles
    • Tag Rugby — a non-contact version of rugby, in which a velcro tag is removed to indicate a tackle
• Gridiron football
  • American football — called "football" in the United States and Canada, and "gridiron" in Australia and New Zealand. Sometimes called "tackle football" to distinguish it from the touch versions
  • Indoor football, arena football — an indoor version of American football
  • Nine-man football, eight-man football, six-man football — versions of tackle football, played primarily by smaller high schools that lack enough players to field full 11-man teams
  • Touch football (American) — non-tackle American football
    • Flag football — non-tackle American football, like touch football, in which a flag that is held by velcro on a belt tied around the waist is pulled by defenders to indicate a tackle
  • Street football (American) — American football played in backyards without equipment and with simplified rules
  • Canadian football — called simply "football" in Canada; "football" in Canada can mean either Canadian or American football depending on context
    • Canadian flag football — non-tackle Canadian football
    • Nine-man football — similar to nine-man American football, but using Canadian rules; played by smaller schools in Saskatchewan that lack enough players to field full 12-man teams

See also: Comparison of American football and rugby league, Comparison of American football and rugby union, Comparison of Canadian and American football, and Comparison of rugby league and rugby union