United boss Sir Alex Ferguson is keen to bring in the 35-year-old to boost their injury-hit defence, according to The Mirror.
Rio Ferdinand, Jonny Evans, John O’Shea, Gary Neville, Nemanja Vidic are all sidelined for United.
Campbell’s former club Notts County are still in the process of formally releasin the defender’s registration and the defender will be available on a free transfer.
United could reportedly be ready to offer Campbell a six-month contract until the end of the season.
