The body of a man was found in a stream in Pill Rowe, Caldicot, at around 3pm on Saturday 5 April.
Formal identification has taken place and the man was identified as Kevin Rendle, 65, from Caldicot, who was recently reported as missing.
The death is not being treated as suspicious. Kevin's family and HM Coroner have been informed.
Gwent Police has thanked everyone who helped in trying to find Kevin.