Krishnapuram Palace is a historical palace located in Kayamkulam, Alappuzha district, Kerala, India. It is a popular tourist attraction known for its architectural beauty and historical significance.

Krishnapuram Palace was built in the 18th century by Anizham Thirunal Marthanda Varma, the Travancore king. It served as the residence of the royal family of Kayamkulam.

The palace showcases traditional Kerala architectural style with influences from Dutch and Portuguese designs. It features gabled roofs, narrow corridors, dormer windows, and exquisite woodwork. The palace is spread over an area of about 1.5 acres.

Today, Krishnapuram Palace is maintained by the Archaeological Department of Kerala and houses a museum. The museum displays a rich collection of artifacts and exhibits that provide insights into the history, culture, and art of the region.