SPL
SPL may refer to:

Association football
Saudi Professional League
Scottish Premier League
SportPesa Premier League, Kenya
Singapore Premier League
RoboCup Standard Platform League, matches between autonomous robots

Computing
Programming languages
System programming language
Shakespeare Programming Language
Space Programming Language, influenced by JOVIAL

Other uses in computing
Spl (Unix) functions to set priority level
Secondary Program Loader
Software product line
Solana Program Library, a collection of programs on the Solana blockchain platform
Standard PHP Library, used in PHP5 onwards
Sun Public License, Sun Microsystems
RoboCup Standard Platform League, autonomous robot association football matches

Businesses and organisations
Political
Sammarineses for Freedom, Italian: Sammarinesi per la Libertà, a political party in San Marino
Socialist Party of Latvia, formed in 1994
Secular Pro-Life, in the United States

Other businesses and organisations
Finnish Wood Workers' Union, a former trade union
Service de police de Longueuil, the police department of Longueuil, Quebec
Saudi Post (SPL), logistics company

Places
Amsterdam Airport Schiphol, Netherlands (by former IATA code)
Scottish Poetry Library, Edinburgh, Scotland

Science and medicine
Scanning probe lithography, a direct contact method of lithography
Sound pressure level, a measure of sound pressure
Spore photoproduct lyase, an enzyme
Stretched penile length, measuring Human penis size
Structured Product Labeling of prescription drug
Superior parietal lobule

Other uses
Senior Patrol Leader, voluntary rôle in the Boy Scouts of America or Baden-Powell Scouts' Association
SPL: Sha Po Lang, 2005 Hong Kong action film
Sailplane Pilot Licence, a basic pilot licence