| Clubname: | RK Sloga Doboj |
| Founded: | 1958 |
| Fullname: | Rukometni Klub Sloga Doboj |
| Ground: | Dvorana srednjoškolskog centra Doboj |
| Capacity: | 700 |
| League: | Premijer Liga |
| Season: | 2020–21 |
| Position: | 3rd |
| Colour1: |
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| Colour2: | white |
| Manager: | Miljan Stanić |
| Leftarm1: | FF0000 |
| Body1: | FF0000 |
| Rightarm1: | FF0000 |
| Shorts1: | FF0000 |
| Leftarm2: | white |
| Body2: | white |
| Rightarm2: | white |
| Shorts2: | white |
Rukometni Klub Sloga commonly referred to as RK Sloga or simply Sloga is a team handball club from Doboj, Bosnia and Herzegovina. The team currently competes in the Handball Championship of Bosnia and Herzegovina.
Sloga was founded in 1959. Until 1972 the club bore the name Partizan, Željezničar and Dobojindex, when it was finally changed to Sloga. RK Sloga was regular participant of Yugoslav top league between 1980 and 1991. In 1983 Sloga reached Yugoslav cup finals where it was defeated by then handball powerhouse Metaloplastika Šabac. In next season Sloga reached EHF Cup Winners' Cup final where it was defeated by FC Barcelona. The club competed in the regional SEHA League in 2013.
Đorđe Bosić
Milutin Bogdanović Damir Efendić Božidar Bajović Tarik Alibegović Luka Lazić Milan Pavlov Nikola Sauka Bojan Tulendić Rajko Maričić Bojan Petrušić Branko Mišanović Radovan Uljarević Srđan Gavrić Nemanja Zekić Miljan Ivanović Danijel Pejić Aleksandar Milojević Borko Vještica Dušan Miličević Miloš Maksimović Luka KaranovićThe recent season-by-season performance of the club:[1]
Šandor Hodik Danijel Šarić Faruk Vražalić Peđa Dejanović Faruk Halilbegović Vladimir Grbić Aleksandar Dugić Vojislav Rađa Milanko Savčić Branislav Živanić Aleksandar Dugić Zoran Dokić Goran Stojić Jasmin Unkić Igor Pijetlović Milorad Gračanin