The following are the football (soccer) events of the year 1909 throughout the world.

• Goalkeepers begin to wear a different coloured shirt to the rest of the team.

• During the fall, a team composed of British players tour the United States.

• 19 December: Borussia Dortmund are founded.^[1][2]

• Germany: Phönix Karlsruhe
• Greece: Peiraikos sindesmos Pireas
• Italy: S.G. Pro Vercelli
• Scotland: For fuller coverage, see 1908-09 in Scottish football.
  • Scottish Division One – Celtic
  • Scottish Division Two – Abercorn
  • Scottish Cup – After two drawn games between Celtic and Rangers and a riot the cup was withheld.

• 1909 British Home Championship (13 February – 3 April 1909)

 England

• Sir Thomas Lipton Trophy:
  1. West Auckland
  2. FC Winterthur
  3. Torino XI
  4. Stuttgarter Sportfreunde

• 28 January – John Thomson, Scottish international footballer (died 1931)
• 28 March – Cyril Beach, English professional footballer (died 1980)^[3]
• 26 September – Ştefan Dobay, Romanian international footballer (died 1994)
• 16 October – Franz Krumm, German international footballer (died 1943)
• 26 December – Tom Poskett, English professional footballer^[4]

• Bologna FC 1909
• Borussia Dortmund
• Budapest Honvéd FC
• SK Sturm Graz