UES

UES may refer to:


 * C.D. Universidad de El Salvador, a professional football team representing the University of El Salvador
 * Estadio Universitario UES, a multi-use stadium in San Salvador, El Salvador
 * FGC UES, the owner and operator of the electricity transmission grid in Russia
 * RAO UES, an electric power holding company in Russia
 * UES (cipher), a block cipher designed in 1999 by Helena Handschuh and Serge Vaudenay
 * User Electronic Signature
 * Unified Export Strategy, an application process that US agricultural trade promotion groups use to apply for funding
 * Union des Employes de Service, Local 298 v. Bibeault, a Canadian Supreme Court case regarding judicial review in Canadian administrative law
 * University of El Salvador, the oldest and one of the most prominent university institutions in El Salvador
 * Upper East Side, a neighborhood in the borough of Manhattan in New York City
 * Upper Eastside, a neighborhood of the city of Miami, Florida, United States
 * Upper esophageal sphincter, the superior portion of the esophagus