West Yorkshire Police are looking for a man in connection with a number of sexual offences.
Adam Peter Day, aged 39, from Leeds, was last known to be in the Brighton area and has connections with Norfolk, Worcester and Leeds.
He failed to answer bail having been arrested last year in connection with offences related to indecent images and a sexual assault.
He is described as white, around 5ft 7ins tall, and of average build.
Day has short brown hair and a goatee beard and blue eyes.
Det Sup Pat Twiggs, head of crime for Leeds District, said: “Extensive enquiries have been made to trace Adam Day since he failed to answer his bail but so far these have proved unsuccessful.
“We are now appealing to the public to help us trace his whereabouts.
“Anyone who knows where he is should not approach him but contact police immediately.”
Anyone with any information should call Det Cons Mark Howorth at Leeds Child Safeguarding Unit on 0113 385 9474 or via 101.