A hot-dip galvanized steel sheet comprising a hot-dip galvanizing layer on at least one side of a base steel sheet, wherein the base steel sheet has a chemical composition comprised by, in mass%, C: 0.040% to 0.400%, Si: 0.05% to 2.50%, Mn: 0.50% to 3.50%, P: 0.0001% to 0.1000%, S: 0.0001% to 0.0100%, Al: 0.001% to 1.500%, N: 0.0001% to 0.0100%, O: 0.0001% to 0.0100%, Ti: 0.000% to 0.150%, Nb: 0.000% to 0.100%, V: 0.000% to 0.300%, Cr: 0.00% to 2.00%, Ni: 0.00% to 2.00%, Cu: 0.00% to 2.00%, Mo: 0.00% to 2.00%, B: 0.0000% to 0.0100%, W: 0.00% to 2.00%, Ca, Ce, Mg, Zr, La, and REM: 0.0000% to 0.0100% in total, and the balance: Fe and an impurity, and wherein the hot-dip galvanizing layer has a Fe content of more than 0% and 3.0% or less and an Al content of more than 0% and 1.0% or less, the hot-dip galvanized steel sheet comprising: a Fe-Al alloy layer provided on an interface between the hot-dip galvanizing layer and the base steel sheet, the Fe-Al alloy layer having a thickness of 0.1 μm to 2.0 μm, and a difference between a maximum value and a minimum value of the thickness of the Fe-Al alloy layer in a width direction of the base steel sheet being within 0.5 μm; and a fine-grain layer provided in the base steel sheet and directly in contact with the Fe-Al alloy layer, the fine-grain layer having an average thickness of 0.1 μm to 5.0 μm, the fine-grain layer including a ferrite phase with an average grain diameter of 0.1 μm to 3.0 μm, the fine-grain layer containing oxides of one or more out of Si and Mn, a maximum diameter of the oxides being 0.01 μm to 0.4 μm, and a difference between a maximum value and a minimum value of the thickness of the fine-grain layer in the width direction of the base steel sheet being within 2.0 um, all measured with the methods as of the description. wherein the base steel sheet has a chemical composition comprised by, in mass%, C: 0.040% to 0.400%, Si: 0.05% to 2.50%, Mn: 0.50% to 3.50%, P: 0.0001% to 0.1000%, S: 0.0001% to 0.0100%, Al: 0.001% to 1.500%, N: 0.0001% to 0.0100%, O: 0.0001% to 0.0100%, Ti: 0.000% to 0.150%, Nb: 0.000% to 0.100%, V: 0.000% to 0.300%, Cr: 0.00% to 2.00%, Ni: 0.00% to 2.00%, Cu: 0.00% to 2.00%, Mo: 0.00% to 2.00%, B: 0.0000% to 0.0100%, W: 0.00% to 2.00%, Ca, Ce, Mg, Zr, La, and REM: 0.0000% to 0.0100% in total, and the balance: Fe and an impurity, and wherein the hot-dip galvanizing layer has a Fe content of more than 0% and 3.0% or less and an Al content of more than 0% and 1.0% or less, the hot-dip galvanized steel sheet comprising: a Fe-Al alloy layer provided on an interface between the hot-dip galvanizing layer and the base steel sheet, the Fe-Al alloy layer having a thickness of 0.1 μm to 2.0 μm, and a difference between a maximum value and a minimum value of the thickness of the Fe-Al alloy layer in a width direction of the base steel sheet being within 0.5 μm; and a fine-grain layer provided in the base steel sheet and directly in contact with the Fe-Al alloy layer, the fine-grain layer having an average thickness of 0.1 μm to 5.0 μm, the fine-grain layer including a ferrite phase with an average grain diameter of 0.1 μm to 3.0 μm, the fine-grain layer containing oxides of one or more out of Si and Mn, a maximum diameter of the oxides being 0.01 μm to 0.4 μm, and a difference between a maximum value and a minimum value of the thickness of the fine-grain layer in the width direction of the base steel sheet being within 2.0 um, all measured with the methods as of the description. a Fe-Al alloy layer provided on an interface between the hot-dip galvanizing layer and the base steel sheet, the Fe-Al alloy layer having a thickness of 0.1 μm to 2.0 μm, and a difference between a maximum value and a minimum value of the thickness of the Fe-Al alloy layer in a width direction of the base steel sheet being within 0.5 μm; and a fine-grain layer provided in the base steel sheet and directly in contact with the Fe-Al alloy layer, the fine-grain layer having an average thickness of 0.1 μm to 5.0 μm, the fine-grain layer including a ferrite phase with an average grain diameter of 0.1 μm to 3.0 μm, the fine-grain layer containing oxides of one or more out of Si and Mn, a maximum diameter of the oxides being 0.01 μm to 0.4 μm, and a difference between a maximum value and a minimum value of the thickness of the fine-grain layer in the width direction of the base steel sheet being within 2.0 um, all measured with the methods as of the description.