Telekomunikacije Republike Srpske a.d. Banja Luka, doing business as m:tel, is a telecommunications company based in Banja Luka, Republika Srpska, Bosnia and Herzegovina. The company is owned by Telekom Srbija, and is the second largest telecommunications company in Bosnia and Herzegovina and the biggest one listed on the Banja Luka Stock Exchange, with the market capitalisation of about 540 million euros.

Banja Luka or Banjaluka is the second largest city in Bosnia and Herzegovina and the largest city of Republika Srpska, of which it is also the de facto capital. Banja Luka is the traditional centre of the densely-forested Bosanska Krajina region of northwestern Bosnia. According to the 2013 census, the city proper has a population of 138,963, while its administrative area comprises a total of 185,042 inhabitants.