An image sensor is provided. The image sensor includes: a substrate including a pixel array zone; a microlens layer on the substrate in the pixel array zone; a first passivation layer on the microlens layer; and a second passivation layer on the first passivation layer, wherein the microlens layer includes: a first lens pattern; a second lens pattern at a side of the first lens pattern; and a first point where the first lens pattern meets the second lens pattern, and at least one of the first passivation layer and the second passivation layer is on the first lens pattern, the second lens pattern, and the first point.