This list of the surnames of the Jews of Serbia was kindly provided by Lea Haber Gedalia in Israel. It is compilation of Sephardic surnames from a book
DO "KONACNOG RESENJA" Jevreji u Beogradu 1521-1942 by Zeni Lebl published in Serbian in 2001. The author, Zeni Lebl (Jennie Lebel in English), was a holocaust survivor born in 1927 in Beograd. She made Aliyah in 1954.
For additional details please refer to Lebl's book.