The FM- and TV-mast Olsztyn-Pieczewo (also known as Maszt RTCN Olsztyn-Pieczewo) is a guyed mast for FM and TV situated at Olsztyn-Pieczewo in Poland.
The FM- and TV-mast Olsztyn-Pieczewo, which was built in 1969, is since the collapse of the Warsaw radio mast, the second tallest structure in Poland. It is called in honor of Stefan Kamià Âski, the initiator of TV in Olsztyn "Stefan".