Football Insider says Newcastle's new owners are weighing up a January bid for the England international.
Ward-Prowse currently has a deal with Saints to 2026.
It's suggested Southampton would be willing to do business at a starting price of £40m.
This season, Ward-Prowse has scored two goals and produced two assists in nine competitive games.
Need a VPN? Or seeking to switch? Then support Tribal Football by clicking here to sign up with our official partners NordVPN. Not only will you receive the best VPN experience, but also great discounts by signing up via Tribal Football. Thanks for your support!