Keezharoor Sree Rajarajeswari Temple is located at Keezharoor in Neyyattinkara, Thiruvananthapuram district, Kerala. The shrine is dedicated to Goddess Rajarajeswari. The 10-day annual festival in the temple is held in Kumbha Masam and concludes on Aswathy nakshatra in the month.
Keezharoor Sree Rajarajeswari temple is built on Tamil temple architecture style with gopurams. The temple has a square sanctum sanctorum and small shrines of Upa Devatas.
The annual festival is unique for rituals associated with Goddess Temples in South Kerala especially of those bordering Tamil Nadu. The annual festival is famous for Pongala ritual held on Aswathy nakshatra day. The main rituals in the temple include Maha Ganapathi homam, utsava poojas, kalasa abhishekam, Bhagavathy seva and Annadanam.
The shrine also observes Navratri and various rituals in Dhanu Masam.
The temple is known as Dakshina Mookambika.
Pongala ritual is also held in the temple on the Aswathy nakshatra day of Kumbha Masam.