Koteshwara is a town in the Indian state of Karnataka. It is located in Kundapur taluk of Udupi district. It is one of Seven Mukthi Stala's of Karnataka pilgrimage site. Koteshwara houses Koti Lingeshwara temple at Dhwajapura which attracts devotees from all around villages. As of 2007, 21,100 people lived in the village.

Koteshwar has a very old Shiva, Pattabhi Ramachandra and Mariamma temple.

A temple located in Koteshwar gained attention when the surrounding shallow lake was cleaned in a de-silting project under the Administration of Markod Gopalkrishna Shetty. During the cleanup a large statue was dredged up, sparking a more concerted effort which recovered several artifacts of historic and religious significance, including several sculptures, statues, bronzework and religious icons.

It is the native place of director and actor Upendra Rao

• Basrur
• Kundapur
• Barkur
• List of temples in Tulunadu
• Koteshwara Brahmin