Knez may refer to:

• Knez (title), equivalent of "duke" or "prince", used in medieval Slavic countries such as Croatia, Serbia and Slovenia
• Knez (Vlach leader), a leader of the Vlach (or Romanian) communities in the medieval Kingdom of Hungary.
• Knez (surname), a South Slavic surname
• Knez (singer), the stage name of Montenegrin singer Nenad Knežević

KNEZ may refer to:

• KNEZ (FM), a radio station (107.3 FM) licensed to serve Hazen, Nevada, United States
• KETF-CD, a low-power television station (channel 27, virtual 39) licensed to serve Laredo, Texas, United States, which held the call sign KNEZ-LP from 1999 to 2007