| Siyethemba Sithebe | |
| Birth Name: | Siyethemba Mnguni |
| Birth Date: | 6 January 1993 |
| Birth Place: | Newcastle, South Africa |
| Position: | Attacking midfielder |
| Currentclub: | Richards Bay |
| Years1: | 2015–2017 |
| Clubs1: | Mbombela United |
| Caps1: | 40 |
| Goals1: | 5 |
| Years2: | 2017–2022 |
| Clubs2: | AmaZulu |
| Caps2: | 121 |
| Goals2: | 8 |
| Years3: | 2022–2024 |
| Clubs3: | Kaizer Chiefs |
| Caps3: | 33 |
| Goals3: | 0 |
| Years4: | 2024– |
| Clubs4: | Richards Bay |
| Caps4: | 0 |
| Goals4: | 0 |
| Nationalyears1: | 2020– |
| Nationalteam1: | South Africa |
| Nationalcaps1: | 8 |
| Nationalgoals1: | 0 |
| Club-Update: | 18 August 2024 |
| Nationalteam-Update: | 23 October 2022 |
Siyethemba Sithebe (born Siyethemba Mnguni; 6 January 1993) is a South African soccer player who plays as an attacking midfielder for South African Premier Division side Richards Bay and the South Africa national team.[1] In 2018, he changed his surname from Mnguni to Sithebe.[2]
In the summer of 2017, he signed for AmaZulu from Mbombela United.[3]
He made his international debut for South Africa on 8 October 2020 in a 1–1 draw with Namibia.[4]