Ambalappuzha is a small town in the Alappuzha district of Kerala state, India. It is located 14 km (8.7 mi) south of Alappuzha which is the district headquarters.

Ambalappuzha is divided into the two panchayats of Ambalapuzha North and Ambalapuzha South.

A combination of two Malayalam ambalam "temple" and puzha "river".

As of 2011 Census, Ambalappuzha had a population of 33,939 with 16,620 males and 17,319 females. Ambalappuzha rural village has an area of 9.18 km² (3.54 sq mi) with 7,856 families residing in it. 10.5% of the population was under 6 years of age. Ambalappuzha had an average literacy of 93.2% higher than the national average of 74% and lower than state average of 94%; male literacy was 95.5% and female literacy was 90.9%.

Ambalappuzha is a coastal town, near National Highway 66, about 13 kilometres (8.1 mi) south of Alappuzha. The Sree Krishna Temple is located 1.5 kilometres (0.93 mi) east of the town junction.

Ambalappuzha assembly constituency is part of Alappuzha (Lok Sabha constituency).