Košarkaški klub Beko (Serbian Cyrillic: Кошаркашки клуб Беко), commonly referred to as KK Beko, is a men's professional basketball club based in Belgrade, Serbia. They are currently competing in the Second Basketball League of Serbia (2nd-tier).

The club was founded in 1986 as KK Kotež and was named after Kotež, an urban neighborhood of Palilula, Belgrade.

Club was founded in 1986.

The club has had several denominations through the years due to its sponsorship:

• Miloš Ćojbašić

• Velisav Vesković^[1] (2008)
• Vasilije Budimić (2017–2021)
• Nenad Petronić (2021–present)

• First Regional League of Serbia, Central Division (3rd-tier)
  • Winners (3): 2006–07, 2014–15, 2021–22

• Alen Smailagić

Youth system

• Dejan Koturović^[1]
• Mladen Pantić^[1]
• Nenad Šulović^[1]

• Official website (in Serbian)
• KK Kotež website (in Serbian)
• Profile at eurobasket.com
• Kotež Profile at eurobasket.com