What is "c-man"

C-Man may refer to:

• The Coastal-Marine Automated Network, a meteorological observation network along the coastal United States
• C-Man (film), a 1949 American film directed by Joseph Lerner

C-Man is a 1949 American quasi- semidocumentary crime film noir directed by Joseph Lerner featuring Dean Jagger, John Carradine, Lottie Elwen and Rene Paul. Gail Kubik based his Pulitzer Prize winning Symphony Concertante on his score for C-Man.