Kannukkul Nilavu (transl. The moon in my eyes) is a 2000 Indian Tamil-language romantic psychological thriller film written and directed by Fazil. The film stars Vijay, Shalini, and Kaveri in the lead roles, while Raghuvaran, Srividya, and Ponvannan play other supporting roles. It was Vijay's 25th film and his first film of the new 2000s millennium. It's also Kaveri's first Tamil film and marked the second collaboration of Vijay and Shalini after Kadhalukku Mariyadhai (1997).

The film is about a young man who suffers from a neurological condition that results in partial retrograde amnesia and delusions due to a head injury and his subsequent recovery thanks to a woman and her psychiatrist father.

Kannukkul Nilavu was released on 14 January 2000 to positive reviews and was a decent hit. Apart from praise for its suspenseful story and Vijay's performance, the songs "Oru Naal Oru Kanavu" and "Iravu Pagalai Theda" were popular hit songs from the film.