The flag of Dayton, Kentucky, is a bicolor of blue and green, separated by a white wavy line. On the center, is a picture of a blue riverboat into the waters inside a white circle.
2022 NAVA survey[]
The flag reached 90th out of 312 on the 2022 NAVA City Flag Survey, with a score of 5.62 / a B-, behind Jenks, and ahead of Gilford.
Former flag[]

The former flag of Dayton, Kentucky, is a yellow background with a blue border. Overlapping the border, is a green riverboat, over some waters. On the charge, is a white circle, and "City of Dayton, Kentucky" in green. On the bottom-fly, is "Est. 1849" in white.