Lariza Zviedris, 85, was last seen on Oct. 22 at about 6 p.m. ET, near Queen Street West and Tecumseth Street.
She is described as about five-foot-two, between 90 and 100 pounds, with an olive complexion and long white hair. She was last seen wearing an orange jacket with white running shoes.
Police are concerned for her safety.
Anyone with information is asked to contact 14 Division at (416) 808-1400 or Crime Stoppers.