| Event: | Men’s Star |
| Games: | 2012 Summer |
| Dates: | 29 July – 5 August |
| Competitors: | 32 |
| Nations: | 16 |
| Teams: | 16 (boats) |
| Goldnoc: | SWE |
| Silvernoc: | GBR |
| Bronzenoc: | BRA |
The men's Star was a sailing event on the Sailing at the 2012 Summer Olympics program in Weymouth and Portland National Sailing Academy. Eleven races (the last one being a medal race) were scheduled and completed. 32 sailors, on 16 boats, from 16 nations competed. Ten boats qualified for the medal race on course area Nothe in front of Weymouth, where each position scored double points.
| bgcolor=LightBlue align=center | ● | Practice race | bgcolor=DarkGrey align=center | ● | Race on West | bgcolor=Green align=center | ● | Race on South | bgcolor=Gold align=center | ● | Medal race on Nothe |
See main article: Sailing courses at the 2012 Summer Olympics. For the Star course areas Nothe, West, and South were used. The location (50° 36.18’ N 02° 25.98’ W) points to the center of the Nothe course area, the location (50° 37.18’ N 02° 23.55’ W) points to the center of the West course area and the location (50° 35.71’ N 02° 22.08’ W) points to the center of the South course area. The target time for the course was 60 – 75 minutes for the races and 30 minutes for the medal race. The race management could choose from many course configurations.