Trinidad and Tobago competed at the 2012 Summer Olympics in London, United Kingdom from 27 July to 12 August 2012.

The nation was awarded four Olympic medals based on the efforts by the athletes who competed in the track and field.

Marc Burns, a four-time Olympic athlete and a relay sprinter who led his team by winning the silver medal in Beijing, was the nation's flag bearer at the opening ceremony.

Njisane Phillip qualified for the men's sprint and Keirin events in track cycling, but narrowly missed the bronze medal to Australia's Shane Perkins, finishing only in fourth place.

* In May 2014, the US 4 × 100 metres relay team member Tyson Gay received a one-year suspension for anabolic steroid use and was stripped of his medals after 15 July 2012 when he first used.

[4] In May 2015, the IOC wrote to US Olympic Committee telling them to collect the medals from teammates Trell Kimmons, Justin Gatlin, Ryan Bailey, Jeffery Demps and Darvis Patton.