Carbon　dioxide　(CO2)　is　one　of　the　end　products　of　fuel　combustion　and　the　major　component　of　the　greenhouse　gases.　The　reduction　of　atmospheric　CO2　not　only　decreases　environmental　pollution　but　also　produces　value-added　chemicals,　solving　energy　and　environment　issues　simultaneously.　One　significant　challenge　is　the　low　conversion　efficiency　of　CO2　reduction　due　to　the　inertness　of　the　CO2　molecule.　The　design　of　the　catalyst　nanomaterials　with　the　high　selectivity,　stability,　and　the　activation　capabilities　for　the　conversion　of　CO2　is　needed.　Atomic　layer　deposition　(ALD),　capable　of　constructing　catalysts　with　atomic-level　precision　in　a　highly　controllable　manner,　is　a　promising　technique　to　address　the　key　problems　in　CO2　reduction.　This　review　explores　the　application　of　ALD　in　CO2　reduction,　emphasizing　the　designs　of　the　efficient　catalyst　nanomaterials　fabricated　by　the　ALD　technique　and　their　applications　in　CO2　reduction　and　capture.　The　significance　of　the　ALD　catalysts　with　the　fine　structures　is　highlighted　to　obtain　a　better　understanding　of　the　catalytic　performance-aimed　benefits　as　well　as　an　outlook　on　the　ALD-designed　catalysts　for　the　reduction　of　CO2.