Khakh is surname belonging to the Jatt clan. Those with the name are mainly Sikh and are believed to have originated from the Punjab region of India and Pakistan. The Khakh surname is widely popular in Chandigarh, India and in Canada. The people of this tribe are also scattered in the province of Pakistan (Punjab). Specified area occupied this tribe are division DG khan and multan
Incidentally the village of Khakh in Hoshiarpur, in Hoshiarpur district, in the Indian state of Punjab, is named after this clan. They have a strong presence in Canada.
References
Khakh Wikipedia(Text) CC BY-SA