Police are trying to find Anthony Dean.
The 71-year-old has been reported missing from his Blackpool home and has not been seen by his family since March 6.
Originally from Salford and Oldham, Anthony moved to Blackpool in 2017.
Greater Manchester Police (GMP) said: "He is familar with Manchester City Centre and may be presenting as homeless."
Anthony is described as slim, 6ft 2in and with white hair.
Anyone who has seen Anthony can is asked to contact GMP on 101 quoting the missing person reference number MP/17/0109256 of log 1491 of April 8, 2018.