Brynica (German: Brinitz) is a river in Silesia and Lesser Poland (Małopolska), Poland. It has a length of 55 km and is the main confluence of Czarna Przemsza. It has a source in Mysłów, and flows through Piekary Śląskie, Wojkowice, Czeladź, Siemianowice Śląskie, Świerklaniec, Katowice, Sosnowiec and finally Mysłowice where it joins Czarna Przemsza.
Coordinates: 50°15′32″N 19°08′14″E / 50.2588394632°N 19.1372823715°E