Metta World Peace Changes Name Again ... 'Metta Sandiford-Artest'

Metta World Peace is no more ... the former NBA superstar says he's changed his name again -- this time to Metta Sandiford-Artest.

The ex-Lakers forward, formerly known as Ron Artest, revealed the latest moniker swap on "Inside the Green Room with Danny Green" this week ... saying the newest change was to honor his wife, Maya Sandiford.

"I actually took my wife's last name and ended it in my last name," Metta said.

Of course, Metta gained GLOBAL fame back in 2011 when he changed his name to Metta World Peace ... explaining at the time he wanted "to inspire and bring youth together all around the world."

But Metta revealed to Danny Green on the show that he actually was initially embarrassed by…