Kannadasan (Tamil: கண்ணதாசன்) (24 June 1927–17 October 1981) was a Tamil poet and lyricist, heralded as one of the greatest and most important writer in the Tamil language. Frequently called Kaviarasu (English: King of Poets), Kannadasan was most familiar for his song lyrics in Tamil films and contributed around 5000 lyrics besides 6000 poems and 232 books,[1] including novels, epics, plays, essays, his most popular being the 10-part religious essay on Hinduism, captioned Arthamulla Indhumatham (English: Meaningful Hinduism). He won the Sahitya Akademi Award for his novel Cheraman Kadali in the year 1980 and was the first ever to receive the National Film Award for Best Lyrics, given in 1969 for the film Kuzhanthaikkaga.

Kannadasan was born in Sirukudalpatti, near Karaikudi, Tamil Nadu, India as Muthiah. But when he passed away at the age of 54, on October 16, 1981, millions of Tamils remembered him only by the name Kannadasan. For Tamils all over the world, he epitomised their poetry style. Even those who couldn’t read the poetry of Kamban or the maxims of Valluvan, could hum the compositions of poet Kannadasan.

There is no doubt that he had a penetrating eye and keen observational powers. He also did not live a cocoon-type of life. He dipped into everything that Tamil Nadu could offer - wine, women, drugs, politics, polemics, atheism and religious sanctuary. After enjoying everything, what he did was remarkable - he composed verses about all his experiences, with reflective self-deprecating humour, irony, and biting sarcasm. These verses touched the sympathetic chords of Tamils from all walks of life - scho