NCAA (disambiguation)
Look up NCAA in Wiktionary, the free dictionary.
NCAA refers to the National Collegiate Athletic Association, a non-profit association in the United States and Canada.
NCAA may also refer to:
- National Collegiate Athletic Association (Philippines), an unrelated athletics association in the Philippines
 - Namibia Civil Aviation Authority
 - Nigerian Civil Aviation Authority
 - Norwegian Civil Aviation Administration
 - Non-canonical amino acids, also called non-proteinogenic amino acids