Thirunakkara Mahadeva Temple is a renowned Hindu temple located in the city of Kottayam in the southern state of Kerala, India. It is dedicated to Lord Shiva, who is worshipped as Mahadeva, the supreme deity in the Hindu pantheon.

The temple holds significant historical and religious importance. It is believed to have been constructed during the 16th century by the Thekkumkoor Maharaja. The architecture of Thirunakkara Mahadeva Temple showcases the traditional Kerala style, characterized by its gopurams (towered entrance gateways), wooden carvings, and intricate artwork.

The main deity of the temple is Lord Shiva, depicted in the form of a lingam, which is a representation of his divine power. The temple also houses various other deities, including Lord Ganapati (Ganesha), Lord Ayyappa, and Goddess Parvati.