Secret Service
Secret Service may refer to:

Secret service, various kinds of police or intelligence organizations
United States Secret Service, a federal law enforcement agency tasked with investigative and protective responsibilities
Confederate Secret Service, a number of secret service operations by the Confederate States of America (1861–1865)
South African Secret Service, an intelligence agency

Radio, film, and television
Secret Service (TV series), a 1990s American television series
The Secret Service, a 1969 British children's television series
Secret Service (1919 film), an American lost silent film
Secret Service (1931 film), an American Civil War spy film starring Richard Dix
Kingsman: The Secret Service, a 2014 spy action-comedy film starring Taron Egerton

Video and arcade games
Secret Service (2001 video game)
Secret Service (2008 video game)
Secret Service 2, a 2003 video game
Secret Service (pinball), a 1988 pinball machine by manufacturer Data East

Music
Secret Service (band), a Swedish pop group of the 1980s
"The Secret Service", a song by Irving Berlin
Kingsman: The Secret Service (soundtrack), the soundtrack to the 2014 film

Print
The Secret Service (comics), later Kingsman: The Secret Service, a 2012–2013 comic book miniseries by Mark Millar and Dave Gibbons, basis for the 2014 film
Secret Service (magazine), a 1993–2001 Polish gaming monthly

See also
Australian Secret Intelligence Service
Canadian Security Intelligence Service
Secret Intelligence Service, a British intelligence agency better known as MI6
List of secret services
List of intelligence agencies