SEPARATOR FOR FUEL CELLS AND SEPARATOR ASSEMBLY INCLUDING THE SAME

An embodiment separator for fuel cells includes first and second diffusion sections adjacent to inlet and outlet manifolds, respectively, and a flow path region including a plurality of patterns for guiding a flow of a reaction gas, wherein the patterns include first patterns including first and second lands arranged in a first column and second patterns including third and fourth lands arranged in a second column, in a second direction perpendicular to a first direction from the first diffusion section to the second diffusion section, the first and fourth lands are arranged in a discontinuous wave type and the second and third lands are arranged in the discontinuous wave type, and a point between the first and fourth lands adjacent to each other and a point between the second and third lands adjacent to each other are offset from each other with respect to the first direction.