Crime scene investigation

Crime scene investigation may refer to:


 * Crime scene investigation, an important part of forensic science
 * CSI: Crime Scene Investigation, a US television series (2000–2015)
 * CSI: Crime Scene Investigation (video game), a 2003 video game based on the TV show
 * CSI (franchise), a US TV franchise, including CSI (2000–2015)
 * CSI Sanatan, a 2023 Indian Telugu-language film by Sivashankar Dev