The men's Greco-Roman middleweight competition at the 1948 Summer Olympics in London took place from 3 August to 6 August at the Empress Hall, Earls Court Exhibition Centre.

[1] Middleweight was the third-heaviest category, including wrestlers weighing 73 to 79 kilograms (160.9 to 174.2 lb).

[2] This Greco-Roman wrestling competition continued to use the "bad points" elimination system introduced at the 1928 Summer Olympics for Greco-Roman and at the 1932 Summer Olympics for freestyle wrestling, with the slight modification introduced in 1936.

At the end of each round, any wrestler with at least 5 points was eliminated.

[3] Kinnunen took 6th place over Németi based on head-to-head results from the first round.