"We've been following the controversy over the stadium naming rights and we're fans ourselves - football fans - and we totally get the passion that comes with football," said Wonga CEO and founder Errol Damelin.
"We listened to the fans - the fans want it to be called St James' Park, and we're delighted to be able to be part of solving that problem."
More top news
Prince Harry will launch the countdown to the 2017 Invictus Games in Canada - as he gears up for the this year's event in Florida.
The government has announced plans to ensure staff receive tips left by customers in bars and restaurants.
Tens of thousands are having do not resuscitate orders imposed without families' consent, according to the Royal College of Physicians.