Provided are a ferritic stainless steel which, even when subjected to rough polishing, is inhibited from decreasing in surface corrosion resistance and a process for producing, through a smaller number of steps, a ferritic stainless steel in which the surface corrosion resistance can be inhibited from decreasing through polishing. The ferritic stainless steel is characterized by containing, in terms of mass%, up to 0.030% C, up to 0.030% N, 0.15-3.0% Si, up to 1.5% Mn, up to 0.04% P, up to 0.01% S, 12-22.5% Cr, up to 0.60% Nb, up to 0.60% Ti, and up to 0.80% Al, having polishing marks so as to result in an arithmetic average surface roughness Ra of 0.45-5.0 μm, and having average Si and Fe concentrations by mass of 5% or greater and 75% or less, respectively, in the portion ranging from the surface to a depth of 10 nm therefrom. The ferritic stainless steel can be produced by temper rolling at a draft of 0.5-5.0%.