Ul (lowercase-L) may refer to:
- Ul (mythology), a lunar deity in Vanuatuan mythology
- Ul (Portugal), a Portuguese freguesia in the Oliveira de Azemeis municipality
- 3271 Ul, an asteroid
UL may also refer to:
- Ukrainian language, the official state language of Ukraine and the principal language of the Ukrainians.
- Ukrainian literature, the literature written in the Ukrainian language.
- UL (safety organization), formerly Underwriters Laboratories, a safety testing and certification organization
- Union Leader, statewide daily newspaper in New Hampshire.
- Unilever, a multinational corporation. UL is a stock symbol for Unilever
- University Library, a library at numerous universities; in particular, Cambridge University Library
ul, an HTML element for creating unordered lists- µL, (properly written with the Greek letter mu) the standard abbreviation for the microliter, one millionth of a liter (SI unit of volume)
- UL (The Belgariad), one of the gods in David Eddings' fantasy saga The Belgariad
- Unlimited liability
- Uplink, in telecommunication
- Upload, the transfer of electronic data
- SriLankan Airlines, via its IATA code
- Unwritten Law, an alternative rock band from Poway, California
- Ultralight aviation
- Ultralight, as in UL-XGA laptop computer screens
- Upplands Lokaltrafik, a Swedish transport company
In education:
- 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 Lincoln, UK
- University of Ljubljana, Universitas Labacensis, Slovenia
- University of London, UK
- University of Louisiana at Lafayette
- University of Louisiana at Monroe
- University of Louisville, Kentucky