Pierre Kalulu Kyatengwa (born 5 June 2000) is a French professional footballer who plays for Serie A club A.C. Milan as a defender. Mainly a right-back, he can also play in central defense.
Kalulu moved from his youth club AS De Saint-Priest to the youth academy of Olympique Lyon in the summer of 2010. In Lyon, he passed through the different youth departments from 2010 to 2018 and was elevated to the 2nd team of Olympique Lyon in June 2018. For the home game against Amiens SC on March 5, 2020, Kalulu was called up for the 1st team of Olympique Lyon, but did not play in the match.
In the summer of 2020, Kalulu moved to Italy to join A.C. Milan and signed a contract until 2025. On 10 December 2020, Kalulu made his professional debut, playing the entire Europa League game against Sparta Prague as a left-sided center back; as Milan won 1–0, Kalulu was praised for helping the team keep a clean sheet. Three days later, on 13 December 2020, Kalulu made his debut in Serie A, replacing injured Matteo Gabbia in the 5th minute of a home game against Parma. In the following away league game against Genoa played on 16 December 2020, Kalulu made his first ever start in Serie A and scored a debut goal in his senior career, equalizing the score in the eventual 2–2 draw.
In addition to his French citizenship, Kalulu also holds the citizenship of the Democratic Republic of Congo. Since June 2018, he has played through the various national junior teams of France, taking part in the 2019 UEFA European Under-19 Championship.