The incident happened at around 1.45am on Sunday, July 7, 2019, on Sauchiehall Street, in the city centre.
As a result of this incident a man required hospital treatment.
Detective Constable Vicky Shanley said: "I would appeal to anyone who witnessed this incident or who recognises any of the men in the images to contact us, as their information could assist with our investigation."
Anyone with any information is asked to contact CID officers at Stewart Street Police Office on 101, quoting incident number 1619 of 13/07/2019. Alternatively, Crimestoppers can be contacted on 0800 555 111 where information can be given anonymously.