Naval Criminal Investigative Service, a United States law enforcement and intelligence agency that primarily investigates crimes in the U.S. Navy and Marine Corps
National Criminal Investigation Service (Kripos), a special agency of the Norwegian Police Service
NCIS (TV series), since 2003, a United States television show about a group of fictional agents of the Naval Criminal Investigative Service based in Washington, DC
NCIS (soundtrack), four soundtracks of music featured on the original NCIS TV series
NCIS: Los Angeles, a 2009 spin-off from NCIS, a show about fictional undercover NCIS Office of Special Projects agents based in Los Angeles
NCIS: New Orleans, a 2014 second spin-off from NCIS, a show about fictional NCIS agents based in New Orleans
NCIS: Hawaiʻi, a 2021 third spin-off from NCIS, a show about fictional NCIS agents based in Hawaii
NCIS: Sydney, a 2023 fourth spin-off from NCIS, a show about fictional NCIS agents and Australian Federal Police based in Sydney, Australia
NCIS: Origins, a 2024 fifth spin-off from NCIS, a prequel show about original protagonist Leroy Jethro Gibbs, a fictional NCIS agent, in his early years
This disambiguation page lists articles associated with the title NCIS. If an internal link led you here, you may wish to change the link to point directly to the intended article.