Clavon Stackhouse is 92, and has been missing since noon on Saturday, police said.
Mr. Stackhouse was last seen driving from his residence at 720 Belle Vista Drive to the Bi-Lo at 1600 E. 23rd Street.
Police said he suffers from early stages of dementia and is not currently on medication.
He was last seen wearing green pants, a plaid shirt with a tan jacket. He drives a light blue, four-door 2005 Cadillac DeVille (TN Plate – 458 MYV).
If anyone comes in contact with Mr. Stackhouse, contact the Chattanooga Police Department at 423 698-2525.