Martin Lee Brown failed to return to the open prison HMP Sudbury, in the Derbyshire Dales, on May 22 after being granted release to visit the Beeston area of Nottinghamshire.
The 27-year-old who is serving a sentence of 9 years and six months for burglary is described as white, of slim build, and around 5ft 8ins tall with brown hair.
He has links to the Nottingham and Grimsby areas.
Anyone who has seen him or knows of his whereabouts is asked to contact Derbyshire police, quoting reference 22*292969.
Facebook – send a private message to the force’s Facebook page
Twitter – direct message the contact centre via @DerPolContact
Website – use the online contact form
Phone – call officers on 101.
You can also anonymously contact the independent charity Crimestoppers, on 0800 555 111.