Lachi لاچي is one of two tehsils in the Kohat District of Khyber Pakhtunkhwa province in Pakistan, located south of the district capital Kohat
Lachi (Lachaee) is one of the largest Seni Khattak areas. Situated on the main road between Kohat and Teri. Everyone travelling South of Kohat (to Teri, Karak, Bannu, Lakki, Tank, Dera Ismail Khan, Waziristan) has to pass Lachi. Lachi was like the heart of Senae-Khwarraam Tappa of the Teri State uptill 1956. It numbers about 100,000 inhabitants, living in an area of 1,161 square kilometres (448 sq mi). The tehsil is subdivided in 9 union councils. About 40% of the working population is employed outside the tehsil. It is a rural area where the livelihood of the majority of households depends on remittances and subsistence farming. Education is provided through a number of private and government high schools, as well as a government degree college affiliated with Kohat University.