P. Kalaimani was an Indian writer, producer and director who worked in the Tamil cinema.

[2] He was a writer who has been in the industry for three decades and seen success through his work, some of his greatest work are Bharathiraaja's 16 Vayathinile, Mann Vasanai, Gopurangal Saivathillai, Muthal Vasantham, Ingeyum Oru Gangai and many more.

He was awarded Kalaimamani by the state government and he has also produced and directed few movies.

He worked with the likes of Sathyaraj and Vijayakanth in his career spanning over three decades.

[3] He has also written and directed films like Therkathi Kallan and Manitha Jaathi.