Kannan En Kadhalan () is a 1968 Indian Tamil-language film, directed by P. Neelakantan, produced and co-written by R. M. Veerappan, starring M. G. Ramachandran, Jayalalithaa and Vanisri. It was released on 25 April 1968.
Kannan is the adopted son of a retired Captain and Sundaram is the biological son. Mallika is the niece of this rich man, who is engaged, at birth to Sundaram. Mallika is secretly in love with Kannan. Malathi lost her father in an accident; she now lives with the widow as her adopted daughter. Malathi and Kannan fall in love as they share good bonding. Kannan and Sundaram aren't on good terms. Sundaram's behaviour towards Mallika and Malathi is not appropriates.Mallika died. Kannan married malathi . The film ends.
The music was composed by M. S. Viswanathan. The song "Paaduvor Paadinaal" was composed using various Indian classical and western instruments, most notably the piano, and is a "jazz-meets-Indian folk redux".
Kannan En Kadhalan was released on 25 April 1968. The Indian Express in its review dated 17 May 1968 wrote, "Director P. Neelakantan has made the film racy in tempo; there is not a moment of flagging interest". Kalki called the film as attractive as its title.