Key is a 2011 Telugu psychological thriller produced by Sukumar Reddy for Dream Theater Entertainments and directed by Nagendra Prasad. Jagapati Babu plays the lead role, and the music was composed by Vijay Kurakula. The film is a remake of the English film Exam.

• Dream Theater Entertainments
• Jagapati Babu
• Sampath Raj
• Sukumar
• Deepthi Vajpayee
• Swapna