Richard Taliu has not been seen since he played in a club rugby match about a week ago and his family are now concerned about where he is.
Police are appealing for sightings of Mr Taliu who has been missing since June 10.
The 24-year-old also goes by the name of Richard Fualau, was reported missing to police on Friday.
His family are concerned for him and want to make sure that he is safe and well.
Mr Taliu was last seen at a local rugby club in Linwood at around 5pm after playing rugby that day.
He was wearing a black long-sleeved plain shirt, grey denim jeans, and black leather casual shoes with white soles.
He has lived in Christchurch for the last two years having moved to New Zealand from Samoa.
Anyone with any information or sightings of him can phone police on 363 7400.