Police appeal for members of the public to keep an eye out for John Atkinson as they try to determine his whereabouts.
They're asking for anyone with information to come forward.
The 34 year old, is wanted in connection with the discovery of a substantial amount of drugs found at a property on Westway, Barrow-in-Furness, on 31 July.
It is believed that he is in the Egremont area.
Detective Constable Cheryl Smith from Cumbria Police said:
Anyone with any information is asked to call Cumbria Police on 101.