NUP
NUP is an abbreviation for:National Umma Party Sudan. a political party in Sudan
National Union Party (disambiguation), a number political parties in various states
National Unity (Israel), a centre-right political alliance since 2022
National Unity Party (Philippines)
National Unity Platform, main opposition party in Uganda
Neapolis University, Pafos, a university in Cyprus
Necrotizing ulcerative periodontitis, a subclassification of Necrotizing periodontal diseases
New Union Party, a political party in the United States
New Unity Partnership, a trade union in the United States
Northwestern University Press
Nottingham University Press
Nuclear Pore
Número único previsional, the identification number for social security in El Salvador