- International Association of Athletics Federations (IAAF);
- International Rowing Federation (FISA);
- Badminton World Federation (BWF);
- International Baseball Federation (IBAF) (not currently part of the core);
- International Basketball Federation (FIBA);
- International Boxing Association (AIBA);
- International Canoe Federation (ICF);
- International Cycling Union (UCI);
- International Equestrian Federation (FEI);
- International Fencing Federation (FIE);
- International Association Football Federation (FIFA);
- International Gymnastic Federation (FIG);
- International Weightlifting Federation (IWF);
- International Handball Federation (IHF);
- International Hockey Federation (FIH);
- International Judo Federation (IJF);
- International Federation of Associated Wrestling Styles (FILA);
- International Swimming Federation (FINA);
- International Union of the Modern Pentathlon (UIPM);
- International Softball Federation (ISF) (not currently part of the core);
- World Taekwondo Federation (WTF);
- International Tennis Federation (ITF);
- International Table Tennis Federation (ITTF);
- International Shooting Sport Federation (ISSF);
- World Archery Federation (WA);
- International Triathlon Union (ITU);
- International Sailing Federation (ISAF);
- International Volleyball Federation (FIVB).
- International Association of Athletics Federations (IAAF)
- International Rowing Federation (FISA)
- Badminton World Federation (BWF)
- International Baseball Federation (IBAF)
- International Basketball Federation (FIBA)
- International Boxing Association (AIBA)
- International Canoe Federation (ICF)
- International Cycling Union (UCI)
- International Equestrian Federation (FEI)
- International Fencing Federation (FIE)
- International Association Football Federation (FIFA)
- International Gymnastic Federation (FIG)
- International Weightlifting Federation (IWF)
- International Handball Federation (IHF)
- International Hockey Federation (FIH)
- International Judo Federation (IJF)
- International Federation of Associated Wrestling Styles (FILA)
- International Swimming Federation (FINA)
- International Union of the Modern Pentathlon (UIPM)
- International Softball Federation (ISF)
- World Taekwondo Federation (WTF)
- International Tennis Federation (ITF)
- International Table Tennis Federation (ITTF)
- International Shooting Sport Federation (ISSF)
- World Archery Federation (WA)
- International Triathlon Union (ITU)
- International Sailing Federation (ISAF)
- International Volleyball Federation (FIVB)
All of these except baseball and softball are currently part of the core.
In winter, the core includes only the sports governed by the following seven federations:
- International Biathlon Union (IBU);
- International Bobsleigh and Tobogganing Federation (FIBT);
- World Curling Federation (WCF);
- International Ice Hockey Federation (IIHF);
- International Luge Federation (FIL);
- International Skating Union (ISU);
- International Ski Federation (FIS).
- International Biathlon Union (IBU)
- International Bobsleigh and Tobogganing Federation (FIBT)
- World Curling Federation (WCF)
- International Ice Hockey Federation (IIHF)
- International Luge Federation (FIL)
- International Skating Union (ISU)
- International Ski Federation (FIS)
The Olympic Committee also recognizes a number of other sports; the committee session at which the host city is selected can also specify that some of these sports are to be included in that edition of the games, but only up to a maximum of 28 are permitted to be contested at the Summer Olympics. It appears that 28 is also the limit for the Winter Olympics, which would mean the committee would havesports (which gives quite a bit of leeway in the winter games).
Baseball and softball have been removed from the games as of the 2012 edition; this opens up two slots. Those slots will be filled by golf and rugby sevens in the 2016 and 2020 games, bringing the total back to the maximum 28 sports. Golf and rugby are not, however, part of the core, so they could be dropped as early as the 2024 games.