The 5.5 Metre was a sailing event on the Sailing at the 1952 Summer Olympics program in Harmaja.

Seven races were scheduled.

50 sailors, on 16 boats, from 16 nations competed.

[1] DNF = Did Not Finish, DNS= Did Not Start, DSQ = Disqualified = Male, = Female Of the total of three race area's only two were needed during the Olympics in Harmaja.

Each of the classes was using the same scoring system.