What does USU stand for?

Ultimate Sampling Unit (GFGA)

Unbundled Stock Unit - Investment term - Obsolete

Uniformed Services University of the Health Sciences Library, Bethesda (SAUS)

Uniformed Services University of the Health Sciences Library, Bethesda, MD - OCLC symbol (OCLC)

United Stevedores' Union - British

Unseptunium - Chemical element (EPT)

USEC, Inc. - NYSE symbol (SPSG)

Usual (SAUS)

Usually

Utah State University (PDAA)

Uya - Language code (ETLW)

Usually (ELAL)