Sonja is a common name used in various cultures, often derived from the name Sophia, which means wisdom. It is popular in countries like Norway, Sweden, and Germany. The name has various spellings and forms, including Sonya and Sonia, and is often associated with strong, independent women. In literature and media, characters named Sonja frequently embody traits such as resilience and intelligence. For example, Sonja Henie was a famous Norwegian figure skater and actress, known for her achievements in sports and film during the early 20th century. The name continues to be well-received and widely used today.