Brett Bellas was last seen in the Godwin Road area of the city at around 6.15pm on Saturday 19 February 2022.
The 53-year-old is described as being around 5ft 10ins tall with short grey and dark brown hair and additional facial hair shaped into a goatee. He additionally has tattoos on his wrists, and an upper arm, which show a bull dog, a cow and a panther.
He was last seen wearing glasses, a black coat, a grey hooded jumper, light blue/ grey jeans with a belt and dark Adidas trainers.
Anyone with information that can help locate him is asked to call Kent Police on 101 quoting 19-1279.