Police are searching for the people pictured in connection to an investigation of fraud in Skegness.
A stolen bank card was used at a number of stores in the town, including Boots and Poundland, to buy items on November 16.
A Lincolnshire Police spokesperson said: “We believe the man and two women in the images may be able to help with our investigation.
“The man has brown hair and was wearing a dark jacket. Both women had dark hair and were wearing a black jacket with fur detail.
“Anyone with any information should call 101 quoting crime reference number 18000575651.”