A 34-year-old man with links to Preston, Coppull and Chorley is wanted by police.
Officers want to trace Matthew Penny after an alleged incident on August 13 where a 24-year-old woman was assaulted and property damaged.
Penny is described as white, 5ft 6in tall, of medium build with short dark hair.
A Lancashire Police spokesman, said: “We are keen to find Penny.
“If you have seen him or know of his whereabouts, please contact us.
“Similarly if Penny himself sees this appeal I would urge him to hand himself in at the nearest police station.”
Anyone with information can contact police on 101 quoting crime reference SA1610667.
Alternatively Crimestoppers can be contacted anonymously on 0800 555111 or online at crimestoppers-uk.org.