Dimitrios "Mimis" Stefanidis (Greek: Δημήτριος "Μίμης" Στεφανίδης, born 1931 in Athens) is a former international professional basketball player from Greece.
Stefanidis was a member of the Panellinios Basketball Club and its famous 1950s era Chrysi Pentada, or "The Golden Five" in English.
Stefanidis was also a member of the senior men's Greek national basketball team that competed at the FIBA EuroBasket 1951. He also competed for Greece at the 1952 Summer Olympics.