The star was famous for his role as Mike Baldwin in the ITV soap.
A statement from his family said he died after a long illness.
“It is with great sadness that we announce the death of our father, Johnny Briggs,” the statement said.
“He passed away peacefully this morning after a long illness, with family by his side. He was 85.
“We politely ask for privacy at this time, so that we can quietly grieve as a family and remember the wonderful times we had with him.”
The actor played the role on the Cobbles for decades.