Jacek is a common male name in Poland, often associated with strong and determined personalities. The name has Slavic origins and is derived from the name Jacek or Jakub, which means "supplanter." It is popular in various forms across different cultures, reflecting a rich history. In Polish culture, Jacek is sometimes linked to notable figures, such as Saint Jacek, a 13th-century priest known for his missionary work. The name is celebrated in literature and art, often symbolizing bravery and resilience. Jacek remains a favored choice for parents naming their sons in Poland and beyond.