Swan, from Fleetwood, is wanted in connection with a series of fraud and theft investigations.
It is thought the 65-year-old is in the Blackpool area and he also has connections in Thornton and Cleveleys.
He is described as 5ft 10in, with grey hair, blue eyes, bitten finger nails, and has some teeth missing. He is left handed and speaks with a southern accent.
DC Scott Ogilvie of Lancashire Police said: “We need to trace Swan, who is aware that we are looking for him.
“If you have seen him or know of his whereabouts, please get in contact with us as soon as possible.
"Similarly I would urge Swan if he sees this appeal to hand himself in at the nearest police station."
Anyone with information can call 101 quoting log number 0268 of December 2nd. Alternatively, independent charity Crimestoppers can be contacted anonymously on 0800 555111 or online at crimestoppers-uk.org.