The following are the football (soccer) events of the year 1999 throughout the world.
- Manchester United won the UEFA Champions League, FA Cup and Premiership to cap off an unprecedented European Treble, the first (and, to date, only) English side to do so.
- Copa Libertadores 1999: Won by Palmeiras after defeating Deportivo Cali 4–3 on a penalty shootout after a final aggregate score of 2–2.
- FIFA Women's World Cup – United States won 0–0, 5–4 on penalty kicks, over China
- Confederations Cup – Mexico's won the tournament after beating Brazil 4–3
- March 14 – New J. League Division 2 (J2) season started with ten clubs, one relegated from previous season's J. League and nine promoted from former Japan Football League.
- May 22 – Manchester United wins the FA Cup with a 2–0 win over Newcastle United. The goals are scored by Teddy Sheringham and Paul Scholes.
- August 8 – Feyenoord Rotterdam wins the Johan Cruijff Schaal, the annual opening of the new season in the Eredivisie, by a 3–2 win over Ajax Amsterdam in the Amsterdam ArenA.
- September 11 – Manager Hans Meyer from Germany resigns at Dutch club FC Twente, and is replaced by former player Fred Rutten.
- October 27 – Dutch club Sparta Rotterdam fires manager Jan Everse, who is replaced by Dolf Roks.
- October 30 – Manager Herbert Neumann is fired at Dutch club Vitesse Arnhem. Ronald Koeman will replace him on January 1, 2000. In the mean time former player Edward Sturing takes control.
- November 5 – Italy's Veneto wins the first UEFA Regions' Cup, beating Spain's Madrid 3–2, after extra time, in Abano Terme.
- November 30 – Manchester United wins the Intercontinental Cup in Tokyo, Japan by defeating Brazil's Palmeiras: 1–0. The only goal for the English club is scored by Roy Keane in the 35th minute.
- December 29 – Manager Jimmy Calderwood leaves Dutch club NEC Nijmegen and is succeeded by former player Ron de Groot.
Winners national club championship
National team results