WWE legend Chyna -- real name Joanie Laurer -- has died ... this according to her management team
Chyna was 45-years-old.
Laurer was discovered at her home, according to ProWrestlingSheet.com.
A statement was posted to Chyna's official Twitter account confirming the death ... saying, "It is with deep sadness to inform you today that we lost a true icon, a real life superhero."
"She will live forever in the memories of her millions of fans and all of us that loved her."