Khan Jajja is a village in Sialkot Tehsil, Sialkot District, Punjab, Pakistan.
Jajja (जज्ज) Jaja (जज) is a Muslim Jat clan found in Pakistan. Jaji (जजी) clan is also found in Afghanistan.[1]
They are said to be descendants of King Jajja. We find mention of Jajja King of Kashmir 748-751 A.D. In history of Kashmir we also find mention of Jajja, lord of Vallapura, of the royal blood and of his own country, who helped Sussala in facing the enemies in 1121 AD.