ULS can refer to:
Education University Laboratory School, a charter school in Honolulu, Hawai‘i, United States University Lake School, in Wisconsin University of La Serena, in Chile University Liggett School, in Michigan
Technology Ultimate Limit State, in engineering Universal Licensing System of US FCC Upward looking sonar User Location Service, a now depreciated network protocol, in computing
Other uses Uganda Law Society Unduly lenient sentence, in the United Kingdom Uttara Lanka Sabhagaya, a political alliance in Sri Lanka