Siyabonga·Mabena is a professional footballer from RSA and is currently 20 years old. He is on the books of Mamelodi Sundowns and wears shirt number 22. At international level, he features for South Africa U20. His main role on the pitch is Forward. His estimated market valuation currently stands at 150K €.

His latest transfer saw him join Mamelodi Sundowns from Mamelodi Sundowns FC Reserves via on 2023-03-13.

During the South Africa Premier Soccer League 2025-2026 campaign, Siyabonga·Mabena made 6 appearances, scoring 0 goals and adding 0 assists. He averaged 0 goals per match from 4 shots, with 0 on target.