Uttarkashi (Hindi: उत्तरकाशी ), meaning Kashi of the north, is a holy town in Uttarakhand, India. It is the district headquarter of Uttarkashi district. Uttarkashi is situated on the banks of river Bhagirathi at an altitude of 1352 m above sea level. Uttarkashi is home to a number of ashrams and temples and also to the Nehru Institute of Mountaineering. The name of the town reflects its similarity to and location (as north of) the city of Kashi (Varanasi). Similar to Varanasi, town of Uttarkashi is situated on the Ganges, lies next to a hill named Varun Parvat, on confluence of two rivers Varuna and Asi, has a ghat called Manikarnika Ghat and has a temple dedicated to Shiva (Kashi Vishwanath Temple)in the center of the town.

Uttarkashi District (Hindi: उत्तरकाशी जिला), also known as Uttar Kashi District, is a district of Garhwal division of the Uttarakhand state in northern India, and has its headquarters at Uttarkashi city.

Uttarkashi är en stad och ett distrikt i den indiska delstaten Uttarakhand.