Krishnapuram Sri Krishna temple is located at Krishnapuram, around 2 km south of Kayamkulam, in Alappuzha district, Kerala. The famous Krishnapuram Kottaram is located nearby. The temple belonged to erstwhile Kayamkulam kings.
The main deity worshipped in the temple is Sri Krishna Bhagvan and the deity faces east. The Upa Devatas worshipped in the temple are Ganapathy, Goddess Parvati, Shiva, Rakshas and Gosai.
The important festivals observed in the temple are Ashtami Rohini and Makarasamkaram (Makar Sankranti).
The temple finds a mention in the 14th century Unni Neeli Sandesham literary work.