ULP may refer to:
Science and technology
- Unit in the last place in computer science
- File extension for CadSoft/Autodesk EAGLE User Language Program
Organisations
- Université Louis Pasteur, Strasbourg, France
- Former United Labour Party (New Zealand)
- Unity Labour Party, Saint Vincent and the Grenadines
Other uses
- Unfair labor practice, in US labor law
- Quilpie Airport, IATA airport code "ULP"