Siboniso Meaning in English. What is the meaning of Siboniso? by names Siboniso: Zulu origin, meaning “show the way.” Famous People: Siboniso Mthethwa – South African actor. Siboniso Khumalo – South African musician. Siboniso Dlamini – Swazi poet. π SEARCH π+ ADD CLAN NAMESβΆ UTube Channel