| 27 from 3 nations|
| First race: 20 July 1912 (1912-07-20)
Last race: 21 July 1912 (1912-07-21)|
The 12 Metre was a sailing event on the Sailing at the 1912 Summer Olympics program in Nynäshamn. Two races were scheduled plus eventual sail-off's. 27 sailors, on 3 boats, from 3 nation entered.
Sailing at the 1912 Summer Olympics – 12 Metre Wikipedia
For the 12-Metre Course A was used.
The 1912 Olympic scoring system was used. All competitors were male.
The following Commemorative Plaque were handed out by the Royal Swedish Yacht Club to the owners of: