NIAA meaning in Sports ?

Answer: What is Northwest Intercollegiate Athletic Association mean?

The Northwest Intercollegiate Athletic Association (NIAA), also known informally as the Northwest Conference, was a collegiate athletic conference in the Pacific Northwest of the United States, established in 1902. The conference ended football competition in 1914, but some sports, such as wrestling, continued through at least 1917.

reference

Full Form	Category
Nevada Interscholastic Activities Association	Community
Not Impossible At All	Computing
National Institute for Animal Agriculture	General
Northern Illinois Angler Asocc	General
Northeast Indigenous Arts Alliance	Governmental
National Institute on Alcohol Abuse	Governmental
NICS Improvement Amendments Act	Governmental
Newman International Academy of Arlington	International
Not Important At All	Internet
Northern Ireland Association of Aeromodellers	Regional
Northwest Intercollegiate Athletic Association	Sports