Nammalvar was one of the twelve Alvar saints of Tamil Nadu, India, who are known for their affiliation to the Vaishnava tradition of Hinduism. The verses of the Alvars are compiled as the Naalayira Divya Prabandham, where praises are sung of 108 temples that are classified as divine realms, called the Divya Desams. Nammalvar is considered to be the fifth in the line of the twelve Alvars. He is highly regarded as a great mystic of the Vaishnava tradition. He is also considered to be the foremost among the twelve Alvars, and his contributions amount to 1352 among the 4000 stanzas in the Naalayira Divya Prabandam.

The Alvars were the Tamil poet-saints of South India who espoused bhakti (devotion) to the Hindu preserver deity Vishnu, in their songs of longing, ecstasy, and service. They are venerated in Vaishnavism, which regards Vishnu as the Ultimate Reality.