MIAA
# MIAA

MIAA may refer to:

* Maine Intercollegiate Athletic Association, defunct athletic conference of schools in Maine
* Manila International Airport Authority, transportation agency in the Philippines
* Maryland Interscholastic Athletic Association, high school athletic conference for private schools in the Baltimore Metro area
* Massachusetts Interscholastic Athletic Association, high school athletic association governing 33 varsity sports throughout Massachusetts
* Michigan Intercollegiate Athletic Association, athletic conference of NCAA Division III schools in Michigan and Indiana
* Mid-America Intercollegiate Athletics Association, athletic conference of NCAA Division II schools in Kansas, Missouri, Nebraska, and Oklahoma
* TRNA dimethylallyltransferase, an enzyme
