Sp or SP may refer to:
Spain (Spanish: España [esˈpaɲa] (listen)), officially the Kingdom of Spain (Spanish: Reino de España), is a country mostly located in Europe.
Spider-Man is a fictional superhero created by writer-editor Stan Lee and writer-artist Steve Ditko. He first appeared in the anthology comic book Amazing Fantasy #15 (August 1962) in the Silver Age of Comic Books.
Spanish ( (listen); español ) or Castilian ( (listen), castellano ) is a Romance language that originated in the Castile region of Spain and today has hundreds of millions of native speakers in the Americas and Spain.
In physics, spacetime is any mathematical model that fuses the three dimensions of space and the one dimension of time into a single four-dimensional continuum.
The speed of light in vacuum, commonly denoted c, is a universal physical constant important in many areas of physics.