KSZO Ostrowiec Swietokrzyski is a professional handball team based in Ostrowiec Swietokrzyski, Poland. The team was founded in 1957 and has since become one of the most successful handball teams in Poland. The team plays in the Polish Superliga, which is the top tier of handball in Poland.

The team's home arena is the Hala Sportowa Ostrowiec, which has a seating capacity of 2,500 spectators. The team's colors are blue and white, and their mascot is a wolf.

KSZO Ostrowiec Swietokrzyski has won numerous titles and awards throughout their history, including the Polish Cup in 1999 and 2000, and the Polish Superliga in 2000 and 2001. The team has also competed in European competitions, such as the EHF Cup and the Challenge Cup.

The current roster of KSZO Ostrowiec Swietokrzyski includes talented players from Poland and other countries, such as Serbia, Montenegro, and Spain. The team is known for their strong defense and fast-paced offense, and they are always a tough opponent for any team they face.

Overall, KSZO Ostrowiec Swietokrzyski is a respected and successful handball team with a rich history and a bright future ahead of them.