An 85-year-old woman was found stabbed to death this morning in her Bedford-Stuyvesant home, law enforcement sources said.

The victim’s brother discovered the woman in her Jefferson Street residence shortly before 8 a.m., sources added.

The woman appeared to have a puncture wound to the back of the neck and was taken to the medical examiner’s office, where an autopsy will be performed, sources said.

There were no signs of forced entry, sources added.

Additional reporting by Larry Celona

kconley@nypost.com