The Płonka is a river in central Poland.
Płonka may also refer to:
Places Płonka, Lublin Voivodeship Płonka, West Pomeranian Voivodeship
People Beata Kempa (née Płonka, born 1966), Polish politician Eric Plonka, member of Yakuza (band) Ewa Plonka (born 1982), Polish opera singer Gerlind Plonka, German mathematician Jan Płonka (1920–2003), Polish skier Marek Płonka, member of the Poland national rugby union team Michał Płonka (born 1992), Polish footballer