Mustafa Tambour (Arabic: مصطفى تمبور; born 24 July 1982) is the leader of the Sudan Liberation Movement faction known as SLM-Tambour, which is involved in the conflict in Darfur, supporting the Sudanese Armed Forces (SAF) against the Rapid Support Forces (RSF).

Before the 2023 Sudan conflict, he launched a community reconciliation initiative to stop the war in Darfur.

Mustafa Nasr Aldin Tambour was born on 24 July 1982 in Zalingei, Central Darfur, Sudan.

[1] Tambour survived an assassination attempt on 2 September 2017 near Zalingei by a squad of seven individuals led by two officers with the rank of lieutenant, one of whom was a member of the Special Forces of the Security Police and the other from the Rapid Support Forces (RSF).

[3] Tambour's faction signed the 2020 Juba Peace Agreement in South Sudan and continued to make efforts to achieve security and stability in the country.