The international governing body for Track and Field athletics is the International Association of Athletics Federations (IAAF) it was formerly the International Amateur Athletics Federation.
No one they are the governing body of all international competition in Track and field
the international governing body for track and field is the IAAF which is the International Association of Athletics Federations. because internationally track and field is known as Athletics
Fina is the international governing body of swimming
The International Orienteering Federation is the international governing body and is based in Finland.
USATF refers to USA Track and Field. It is the United States national governing body for the sports of track and field, distance running and race walking.
The international governing body is the International Rugby Board, and the national body will be the country's rugby union. e.g. the national governing body for England is the RFU.
Fédération Internationale de Natation (FINA) is the international governing body for swimming
International Softball Federation (ISF)
international volleyball association
The International Olympic Committee
The International Olympic Committee (IOC)