Shri Mani Mandir is a temple located in Varanasi, India, and is dedicated to Lord Shiva. The temple is situated on the banks of the River Ganges, in the Dharm Sangh Bhawan, Durgakund, Varanasi, Uttar Pradesh area of the city.

The temple is believed to be around 250 years old and is considered to be one of the most important and revered temples in Varanasi. It is said that the temple was built by a wealthy merchant named Mani Ram Bagia, who had a vision of Lord Shiva instructing him to construct a temple in his honor.

The temple is known for its beautiful architecture, intricate carvings, and stunning artwork. The main shrine is dedicated to Lord Shiva and has a Shivlinga (a representation of Lord Shiva in the form of a phallus) as its main deity. The temple also has several smaller shrines dedicated to other deities such as Lord Ganesha, Goddess Durga, and Lord Hanuman.

Shri Mani Mandir is considered to be a sacred place of worship and attracts a large number of devotees throughout the year, particularly during the festival of Mahashivratri. Visitors to the temple can expect to experience a peaceful and spiritual environment, and can also take a dip in the holy waters of the River Ganges that flows alongside the temple.