The assault occurred as the man was walking along Railway Street, towards Lodge Road, at approximately 8pm on Friday, 16th October.
Two males approached the man from behind, and then punched and kicked him. The victim, aged in his twenties, was subsequently treated at hospital for injuries sustained in the attack.
Both suspects are reported to have been wearing grey hooded tops grey. One of the suspects is reported to have worn black trainers.
Constable Reid is appealing for anyone who witnessed the assault, or has information about what occurred, to contact police in Coleraine on 101, quoting reference number 2322 of 16/10/20.
A report can also be made using the online reporting form via www.psni.police.uk/makeareport. Alternatively, information can be provided to Crimestoppers anonymously on 0800 555 111 or online at www.crimestoppers-uk.org