Sonji is a feminine name of English origin. It is pronounced as SAHN-jee (/sɑnˈdʒi/) in English. This name has variations such as Sonya and Sonja. Sonji may not be a very common name, but it has been given to newborn girls in Florida over the years. In 1966, it ranked at 295 with 24 occurrences, and in 1968, it ranked at 631 with 7 occurrences. Sonji is a unique and beautiful name that can make your little girl stand out from the crowd.