| Noc: | SRB |
| Nocname: | Olympic Committee of Serbia |
| Games: | Summer Olympics |
| Year: | 1912 |
| Website: | |
| Location: | Stockholm |
| Competitors: | 3 |
| Sports: | 1 |
| Flagbearer: | Dragutin Tomašević[1] |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Appearances: | auto |
| See also: | (1920–1992 W) (1992 S) (1996–2006) (2006–) |
Serbia sent two athletes that competed in the 1912 Summer Olympics in Stockholm, Sweden. This was the first and only Olympic Games where Serbia participated as an independent nation until the 2008 Summer Olympics. By the next Olympic Games in 1920, Serbian athletes competed for the Kingdom of the Serbs, Croats and Slovenes, which in 1929 changed its name to Yugoslavia (YUG).
See main article: Athletics at the 1912 Summer Olympics.
Three athletes represented Serbia in athletics in the nation's debut at the sport and the Olympics.
Ranks given are within that athlete's heat for running events.
| Athlete | Events | Heat | Semifinal | Final | |||
|---|---|---|---|---|---|---|---|
| Result | Rank | Result | Rank | Result | Rank | ||
| Dušan Milošević | 100 m | 11.6 | 3 | align=center colspan=4 | did not advance | ||
| Dragutin Tomašević | Marathon | align=center colspan=4 | N/A | align=center colspan=2 | did not finish | ||
| Živko Nastić | Marathon | align=center colspan=4 | N/A | align=center colspan=2 | did not start | ||