There is provided a multilayer ceramic electronic part, including: a ceramic element having a plurality of dielectric layers laminated therein; and a plurality of first and second internal electrodes each including a body part formed on at least one surface of each of the plurality of dielectric layers within the ceramic element, the first and second internal electrodes including first and second lead parts extended from one surfaces of the body parts to be exposed through one surface of the ceramic element, respectively, wherein inside connection portions between the body parts and the first and second lead parts are curvedly formed, and have a curvature radius of 30 to 100 μm.