Kaadhal Kavithai (transl. Poem of love) is a 1998 Indian Tamil-language romance film directed by Agathiyan and produced by Sunanda Murali Manohar. The film stars Prashanth, Isha Koppikar (in her Tamil debut) and Kasthuri, while Manivannan and Srividya play supporting characters. The film had music composed by Ilaiyaraaja, while duo Lancy-Mohan and Ravi Yadav handled the editing and cinematography respectively.

The storyline revolves around a classical dancer who, while touring Europe, visits Princess Diana's memorial at Althorp. Browsing through the various messages left by the public, she comes across a poetic, poignant epistle in Tamil that captivates her and impels her to scribble a response. While returning a few days later, she finds the author of that note has left another one, prompting her to begin to search for the author. After opening on 25 December 1998, the film went on to gain success critically and became a commercially successful venture.