UL or Ul may refer to:
Science and technology
- UL (safety organization), a product safety certification standard
- Microlitre or microliter (µl), a unit of volume
- 3271 Ul, an asteroid
- Uplink, in telecommunication
Computing
- Upload, the transfer of electronic data
- Unordered list (
<ul></ul>
), an HTML element - Tolerable Upper Intake Level, part of the Dietary Reference Intake system of the U.S. National Academy of Sciences
Organizations
- Underwriters Laboratories, an American worldwide safety consulting and certification company
- Unilever (stock symbol), a multinational corporation
- SriLankan Airlines (IATA code)
- Upplands Lokaltrafik, a Swedish transport company
Universities
- Université Laval, Québec, Canada
- University of Leoben, Austria
- University of Lethbridge, Alberta, Canada
- University of Liberia, Monrovia
- University of Limerick, Ireland
- University of Lima, Perú
- University of Linz, Austria
- University of Lisbon, Portugal
- University of Limpopo, South Africa
- University of Ljubljana, Universitas Labacensis, Slovenia
United Kingdom
United States
- University of Louisiana at Lafayette, Louisiana
- University of Louisiana at Monroe, Louisiana
- University of Louisville, Kentucky
Other uses
- Ul (mythology), a lunar deity in Vanuatuan mythology
- Ul (Portugal), a civil parish in Portugal
- Ukrainian language, the official state language of Ukraine and the principal language of the Ukrainians
- Ukrainian literature, the literature written in the Ukrainian language
- Union Leader, a statewide daily newspaper in New Hampshire, US
- Cambridge University Library or University Library, a library at numerous universities
- UL (The Belgariad), one of the gods in David Eddings' fantasy saga The Belgariad
- Unlimited liability
- Unwritten Law, an alternative rock band from Poway, California
- Ultralight aviation