Desom Ananthapuram Mahavishnu temple is located near Kunnumpuram junction near Aluva Desom in Ernakulam district, Kerala. The shrine is dedicated to Bhagwan Vishnu.
The annual festival in the temple is held in Makaram month. The festival is noted for special rituals and pujas. Traditional temple art forms are held in the shrine. The festival concludes with arattu.
The upa devata worshipped in the temple is Ayyappa.
The square shaped sanctum sanctorum has the murti of Bhagwan Vishnu. There is a kodimaram in front of the temple.