Gurdwara Sri Tarn Taran Sahib, officially Gurdwara Sri Darbar Sahib, is a gurudwara established by the fifth guru, Guru Arjan Dev, in the city of Tarn Taran Sahib, Punjab, India.

The site has the distinction of having the largest sarovar (water pond) of all the gurdwaras. It is famous for the monthly gathering of pilgrims on the day of Amavas (a no-moon night).

Gurudwara Tarn Taran Sahib is one of the most important Sikh shrines in India. It is located in the city of Tarn Taran, about 25 km from Amritsar. • The Gurudwara is famous for having the largest Sarovar (holy water tank) among all Sikh shrines. • Devotees believe the water has healing properties, especially for skin ailments. • Taking a dip here is considered spiritually purifying.