Slovenia competed at the 2012 Summer Olympics in London, United Kingdom. This was the nation's sixth consecutive appearance at the Summer Olympics. The Slovenian Olympic Committee sent the nation's third-largest delegation ever to the Games. A total of 65 athletes, 28 men and 37 women, competed in 15 sports. For the first time in its Olympic history, Slovenia was represented by more female than male athletes. Slalom kayaker and multiple-time world championPeter Kauzer was the nation's flagbearer at the opening ceremony. The London Games also featured Slovenia's Olympic debut in triathlon. The Slovenian team contained two Olympic medalists from the Beijing Olympics: hammer thrower and defending champion Primož Kozmus, and Finn sailorVasilij Žbogar, who both competed at their fourth Olympics. Rifle shooter and former gold medalistRajmond Debevec, the oldest athlete on the team at 49, became the first Slovenian to compete in eight Olympic games. Rower and four-time medalist Iztok Čop competed at his sixth Olympics, while Čop's rowing partner Luka Špik and butterfly swimmer Peter Mankoč both made their fifth Olympic appearances. Slovenian athletes earned four medals in London: one gold, one silver, and two bronze. All of Slovenia's medal winners had already won medals at one or more previous Olympics.
Medalists
Archery
Slovenia qualified one archer.
Athletics
Slovenian athletes achieved qualifying standards in the following athletics events : ;Men ;Track & road events ;Field events at the Marathon ;Women ;Track & road events ;Field events
Badminton
Canoeing
Slalom
Slovenia qualified boats for all slalom events. in K-1 semifinal
Sprint
Qualification Legend: FA = Qualify to final ; FB = Qualify to final B
Cycling
Slovenia qualified athletes in the following events:
Slovenia qualified the following boats: ;Men Qualification Legend: FA=Final A ; FB=Final B ; FC=Final C ; FD=Final D ; FE=Final E ; FF=Final F ; SA/B=Semifinals A/B; SC/D=Semifinals C/D; SE/F=Semifinals E/F; QF=Quarterfinals; R=Repechage
Sailing
Slovenia qualified one boat for each of the following events: ;Men ;Women M = Medal race; EL = Eliminated – did not advance into the medal race
Shooting
Slovenia ensured berths in the following events: ;Men ;Women
Swimming
Slovenian swimmers achieved qualifying standards in the following events, and 1 at the Olympic Selection Time ): ;Men ;Women