KK Radnički may refer to:
- Basketball clubs in Serbia
- BKK Radnički, based in Belgrade (1945–present)
- KK Radnički Basket/Radnički FMP, based in Belgrade (2009–2013); later renamed to FMP
- KK Radnički Kovin, based in Kovin (1967–present)
- KK Radnički Obrenovac, based in Obrenovac
- KK Radnički Novi Sad, based in Novi Sad (1970–2009); relocated to Belgrade in 2009 and renamed to Radnički Basket
- KK Radnički Valjevo, based in Valjevo (2013–present)
- Basketball clubs in Kragujevac
- KKK Radnički or SPD Radnički, (2015–present), currently competing in the 2nd-tier league
- KK Radnički 1950, (2014–present), currently competing in the 2nd-tier league
- KK Radnički Kragujevac (1950–2004), defunct team, merged into Radnički Zastava
- KK Radnički Kragujevac (2009–2014), defunct team, formerly known as KK Lions Vršac
- KK Radnički Zastava/Radnički KG 06, (2004–2011), defunct team
- KK Radnički Student, (2008–2018), defunct team
- Basketball clubs in Bosnia and Herzegovina
- KK Radnički Goražde, based in Goražde