The study was conducted in order to estimate the po st-harvest losses in tomato crop produced in Peshaw ar valley during Kharif 2006. Data were collected randomly from sixt y eight tomato growers in the area. The post-harves t losses of tomato crop in Peshawar valley were estimated 20% of the t otal production. There losses mainly occurred durin g picking of the crop, during handling and transportation to the mar kets, etc. To reduce these losses, farmers of the a rea need to be trained about the latest techniques of packaging, processin g of tomato crops, advanced techniques and methods of post-harvest handling.