Kannathil Muthamittal (also released internationally under the translated title A Peck on the Cheek) is a 2002 Indian Tamil-language musical war film produced and directed by Mani Ratnam. It was based on a short story, "Amuthavum Avanum" by Sujatha. The film stars R. Madhavan, Simran and P. S. Keerthana with Nandita Das, J. D. Chakravarthy, Prakash Raj and Pasupathy portraying other pivotal characters. The film's score and soundtrack were composed by A. R. Rahman, while Ravi K. Chandran handled the cinematography. Mani Ratnam presents the story of a child of Sri Lankan Tamil parentage adopted by Indian parents, whose desire is to meet her biological mother in the midst of the Sri Lankan Civil War. It was released on 14 February 2002.

The film premiered at the 2002 Toronto International Film Festival and was additionally screen at the 2003 San Francisco International Film Festival. The film received high critical acclaim upon release and went on to win six National Film Awards, three Filmfare Awards South, six Cinema Express Awards, seven Tamil Nadu State Film Awards and Best Film awards at six international film festivals.