What does USA stand for?

USA stands for United Soccer Athletes

This definition appears somewhat frequently

Other Resources: Acronym Finder has 56 verified definitions for USA

Samples in periodicals archive:

Website of the United Soccer Athletes (USA) Soccer Club in Holland, MI providing select-level soccer to boys and girls from 7-19 years of age., United Soccer Athletes...

United Soccer Athletes, Holland; ESSENTIAL PROGRAMS FOR ALL PLAYERS, FAMILIES, & COACHES! USA & GVSA Joint Respect Campaign