CSI: NY (Crime Scene Investigation: New York) is an American police procedural television series, which premiered on September 22, 2004. The series was the second spin-off, indirectly, from the popular CBS show, CSI: Crime Scene Investigation, and directly from CSI: Miami, during an episode of which several of the CSI: NY characters made their first appearance.

CSI: NY stars Gary Sinise (CSI Detective First Grade: Mac Taylor), Melina Kanakaredes (CSI Detective First Grade: Stella Bonasera), Carmine Giovinazzo (CSI Detective Third Grade: Danny Messer) and Hill Harper (CSI: Doctor Sheldon Hawkes).