The Official Seal of the City of Danao is depicted in seven pictures shown therein:
First, the yellow background color and blue color of the letters represent the official colors of the City of Danao.
Second, the red, yellow and blue colors at the center of the seal and the stars represent the Philippine Flag.
Third, the engineering gear, pick mattock and shovel represent the coal mining industry of Danao City.
Fourth, the pot, represents the pottery livelihood of Danao City.
Fifth, the fish net, represents the fishing livelihood of Danao City.
Sixth, the building, represents the industrial livelihood of Danao City.
Seventh, the seas represent the territorial waters of the City of Danao.