Mammiyoor temple or famously known as Mammiyur Mahadeva Kshetram is a Shiva temple situated in Guruvayoor, Thrissur district of Kerala, India. Every devotee who goes to Guruvayur Temple is supposed to go to Mammiyoor also, as the ritual goes. Only Hindus are allowed inside the temple premises. The temple is a part of the 108 famous Shiva temples in Kerala and one among the five Shiva temples around Guruvayoor. The main deity is Shiva and he is facing east and is in rowdra bhava.