Ranni Ramapuram Mahavishnu temple is located at Ramapuram near Ranni in Pathanamthitta district, Kerala. The temple is dedicated to Bhagavan Mahavishnu. Vishu Kani darshanam is of great importance in the temple.
This is a small Kerala style temple with a chuttambalam, namaskara mandapam, shrines of upa devatas, temple pond and chathura sreekovil.
The shrine observes various Vaishnav temple rituals and festive days. Apart from Vishu, Ramayana Masam and Krishna Janmashtami in Chinga Masam are of great importance here.