Champakulam Kalloorkadu St. Mary's Basilica (Malayalam: ചമ്പക്കുളം വലിയ പള്ളി) is an ancient Christian Church in Kerala.

Champakulam Church had very friendly relations with the Puthenkoottukar and had a pivotal role in many ecumenical efforts in the eighteenth century.

On 27 November 2016, the church was officially declared as a basilica by Pope Francis and Mar Joseph Perumthottam, the Metropolitan Archbishop of Changanacherry.

Ikkako Kathanar was a priest from this parish who became martyr in the hand of Portuguese for protecting the East Syriac tradition of the indigenous catholic church of India (Nasranis) mainly along the malabar coast.

Till the arrival of Europeans Nasranis were belonging to the East Syriac rites in the Catholic Church.

There are clear documentation about the Moonnu noyambu perunaal of champakulam in the records about the financial help and support from the Kings of Chempakasserry for the feast.