CNN is the Cable News Network, a television network based in Atlanta, Georgia, United States

CNN may also refer to:

• HLN (TV network), a spinoff of CNN, formerly known as CNN2 and CNN Headline News
• CNN International, a U.S.-based television network broadcast worldwide
• CNN en Español, a Spanish-language version of CNN, based in Atlanta, Georgia, United States
• CNN Chile, a Chilean-based version of CNN
• CNN Airport, a former CNN specialty channel for air travelers
• CNN+, a defunct news streaming service
• CNN+ (TV network), a former Spain-based version of CNN
• CNN-News18, an India-based news channel
• CNN Türk, a Turkish-based version of CNN
• CNN Indonesia, an Indonesian-based version of CNN
• CNN Arabic, an Arabic-language version of CNN, based in Atlanta, Georgia
• CNNj, a Japanese-language version of CNN, based in Atlanta, Georgia
• CNN Philippines, a defunct Philippine-based version of CNN
• CNN Portugal, a Portuguese-based version of CNN
• CNN Brazil, a Brazilian-based version of CNN

• CNN Interactive (CNN.com), the CNN website
• WCNN, a sports-talk radio station in Atlanta, Georgia, United States
• Capone-N-Noreaga (C-N-N), a hip hop duo
• CNN, later XC-NN, a band formed by All About Eve's Tim Bricheno
• "CNN", a song by Baboon from the 1991 album Ed Lobster
• "CNN", a song by Zebda from the 1992 album L'arène des rumeurs

• Cellular neural network, a parallel computing paradigm
• Convolutional neural network, a multilayer perceptron variation
• Condoms, needles, and negotiation, an approach to reducing sexually transmitted diseases
• Centrosomin, a protein in Drosophila melanogaster

• Canonbury railway station (National Rail station code), England
• Kannur International Airport (IATA code)
• Phổ Thông Chuyên Ngoại Ngữ (Foreign Languages Specializing School), Vietnam
• Cerro Negro Norte, an iron mine in Chile