Organizations
- Productora de Software, a CMMi 5 nearshore software development and outsourcing organization
- Party for Socialism and Liberation, a Marxist-Leninist political party in the U.S.
- Polish People's Party (Polskie Stronnictwo Ludowe), a Polish political party
- Social Liberal Party (Brazil) (Partido Social Liberal), a Brazilian political party
- Socialist Party of Struggle (Belgium) (Parti Socialiste de Lutte), a Belgian political party
- Premier Soccer League, in South Africa
- PSL*, a French research initiative
- Pakistan Super League, T20 cricket in Pakistan
Read more about this topic: PSL