The 22-year-old has spent the first half of the season with the Iron, but the Addicks will play him in the FA Cup third round tie against West Brom on Saturday.
An injury crisis means Youga may be pressed into an extended run in the Addicks side if he impresses against the Baggies, but if not he has picked up plenty of admirers.
"We've had a lot of phone calls from clubs who want to take Kelly" Pardew said.
"The left-back position is one that we've had plenty of cover for, but we've lost three left-backs. Poor old Powelly (Chris Powell) was not meant to be playing this many games."