Piotr Nowakowski (born 18 December 1987) is a Polish volleyball player, a member of Poland men's national volleyball team and Polish club VERVA Warszawa ORLEN Paliwa, a participant of the Olympic Games (London 2012, Rio 2016), 2014 World Champion, 2018 World Champion, 2009 European Champion and gold medalist of the 2012 World League, silver medalist of the 2011 World Cup, a bronze medalist of the 2011 European Championship and 2011 World League, three-time Polish Champion (2012, 2013, 2015).
Nowakowski was born in Żyrardów, but he grew up in Międzyborów. On July 25, 2015 he married to Aleksandra Wilczewska. On January 1, 2017 he announced that he and his wife are expecting a first child. On June 12, 2017 his wife gave birth to their daughter Oliwia.
He made his debut in PlusLiga for club AZS Częstochowa. In the season 2007/2008 he became a key player for the team, and they won the Polish Cup and the silver medal in the Polish Championship. In 2011, he moved to Asseco Resovia Rzeszów. In 2012 he won silver medal in the CEV Cup 2012. In 2012 after seven years of domination by PGE Skra Bełchatów, he was part of the Asseco Resovia Rzeszów team that won the Polish Championship. The next year he and his team repeated this success and gained the title of Polish Champions 2013. In the 2013/2014 season, they won the Polish SuperCup 2013 and the silver medal in the Polish Championship 2013/2014 after losing the final (0-3 in matches) against PGE Skra Bełchatów. On March 29, 2015 Asseco Resovia Rzeszów, including Nowakowski, won the silver medal in the 2014–15 CEV Champions League. He was awarded Best Middle Blocker of the Final Four in the CEV Champions League. In April 2015 he signed a contract for the next two years, keeping him at Asseco Resovia Rzeszów till 2017. In April 2015 he achieved won his third Polish Championship with Rzeszów. On April 28, 2017 he moved to Lotos Trefl Gdańsk.