To improve durability and usability of a kitchen knife.

A kitchen knife includes a blade part 2 and a hollow handle respectively comprising stainless steel. The hollow handle comprises a right and left handle halves 41 and 42 applied to each other at junction surfaces get butted against to be jointed with each other. In a hollow part partitioned by the right and the left handle halves, filler including river sand is filled for adjusting weight balance of the whole kitchen knife. The blade part 2 and the handle are applied to each other at mutually facing end edges 2c, 41f and 42f of them get butted against to be jointed with each other to be integrally formed.