Minnesota Masters Swimming LMSC is a 501(c)(3) nonprofit organization dedicated to a healthy swimming lifestyle for adult swimmers within 87 counties in Minnesota and 3 in Western Wisconsin. It is the local governing body for United States Masters Swimming (USMS).

There are 1,172 registered swimmers in the Minnesota LMSC and over 60,000 nationwide. Anyone 18 years of age or older is eligible to join. No prior competitive swimming experience is necessary.