Vizhithiru (English: Stay awake) is a 2017 Indian Tamil-language action thriller film written and directed by Meera Kathiravan, who debuted with Aval Peyar Thamizharasi.

The film features an ensemble cast of Krishna, Vidharth, Dhansika, Venkat Prabhu, Rahul Bhaskaran, S. P. B. Charan, Thambi Ramaiah, Erica Fernandes, Sara Arjun, Nagendra Babu, and Abhinaya.

The film has Krishna playing the lead, with Venkat Prabhu, Dhansika, Vidharth, Abhinaya, Deiva Thirumagal Sara Arjun, Thambi Ramaiah, Nagendra Babu (brother of Chiranjeevi) and new faces Rahul Bhaskaran and Erica Fernandes in important roles.

[2] Playback singer Sathyan Mahalingam made his debut as a music composer, and Vijay Milton will handle the cinematography, Praveen K. L. and N. B. Srikanth have been hired as editors.

[10] Sify wrote "Vizhithiru's core story has the potential of a classic thriller, the characters too are interestingly written but what works against the movie is the flat execution".