Provided is a positive electrode for a secondary battery, the positive electrode including a positive electrode current collector, a first positive electrode mixture layer laminated on the positive electrode current collector and including a first positive electrode active material and a first conductive material, and a second positive electrode mixture layer laminated on the first positive electrode mixture layer and including a second positive electrode active material and a second conductive material, wherein the average particle diameter (D50) of the second positive electrode active material is 5 to 80% of the average particle diameter (D50) of the first positive electrode active material, and the ratio of the specific surface area of the second conductive material to the specific surface area of the second positive electrode active material is 9 or less.