The Men's Greco-Roman flyweight at the 1968 Summer Olympics as part of the wrestling program were held at the Insurgentes Ice Rink.

The flyweight was the lightest weight class, allowing wrestlers up to 52 kilograms.

[1] The competition used a form of negative points tournament, with negative points given for any result short of a fall.

Accumulation of 6 negative points eliminated the wrestler.

When only two or three wrestlers remain, a special final round is used to determine the order of the medals.