Uli may refer to:
- Uli, Nigeria, a town
- Mansa Wali Keita, the second mansa of the Mali Empire, also known as Uli of Mali
- Uli (design), traditional designs drawn by the Igbo people of Nigeria
- Uli figure, a type of wooden statue from New Ireland in Papua New Guinea
- ISO 639 code for the Ulithian language
Uli is a name, short for Ulrich or Ulrike (disambiguation) and common in Germany.
- Uli Beckerhoff, Jazz composer
- Uli der Fehlerteufel, a character in German schoolbooks
- Uli Derickson, a flight attendant during the 1985 hijacking of TWA Flight 847 *Uli Edel, a German film director
- Uli Herzner, a German American fashion designer
- Uli Hiemer, a German professional ice hockey player
- Uli Hoeneß, a German football (soccer) player
- Uli Kusch, a heavy metal drummer
- Uli Jon Roth, German neoclassical metal guitarist
- Uli Schmidt, a South African rugby union footballer
- Uli Scholze, a member of the Red Army Faction
- Uli Stein, a German football player
- Uli Stielike, a German football player
- Uli Trepte, a German musician
- Uli Vos, a field hockey player from Germany
ULI may be an abbreviation for:
- Ultralight Inflatable
- Underwriters Laboratories Inc.
- Uniono por la Linguo Internaciona Ido (Union for the International Language Ido)
- Union List of Israel
- Union Literary Institute
- Universally Unique Identifier
- Unis Lumin Incorporated
- Universal Lab Interface
- Universal LAN Interconnection (Sprint)
- Universal Learning Institute
- Universal life insurance
- Universitärer Lehrverbund Informatik
- University Language Institute
- University of Leeds Institute
- University of Limerick Irish
- University of Linz Institute
- University of London Imperial
- University/Laboratory Initiative (Office of Naval Research)
- Unsigned long integer (data type)
- Upper large intestine
- Upper level interface
- Urban Land Institute
- Urban Leadership Institute
- User Level Interrupts
- Utica Learning Interchange
- Utility Line Italia