Khan Jajja is a village in Tehsil Pasrur of District Sialkot, Punjab, Pakistan. It is situated at the western side of Qila Suba Singh (now called Qila Kalarwala) Pusrur Road that leads to Pasrur. It was named after one Khan of Jajja dynasty. He was called Khan Jajja who inherited agricultural land of one village out of twelve villages of Jajja dynasty. Jajjas are of Jat gotra and they use prefix of Chaudhry or Ch. (Abbreviated form) and surname of Jajja as last part of their name.