Gujar Khan or Gujarkhan (Pothwari/Urdu: گوجرخان) is a city in Rawalpindi District, Punjab, Pakistan. It is the capital of Gujar Khan Tehsil, one of the seven tehsils or subdivisions of Rawalpindi District. It is about 55 kilometres southeast of Islamabad, the capital of Pakistan and 220 km to the northwest of Lahore capital of Punjab. It is located in the historic Pothohar Plateau and the local language spoken here is Pothwari.

Gujar Khan, as well as being tehsil capital, is divided into 3 Union Councils:
According to the 1998 census of Pakistan, the city had 57,099 people.
Pothowari is the main language of Gujar Khan, other languages are Urdu and Punjabi.
Gujar Khan has four twin cities, these are: