Al-Siyabi () is an Arabic surname. Notable people with the surname include:

Ahmed Al-Siyabi (born 1993), Omani footballer Khalid Al-Siyabi (1972/73–2019), Omani civil servant and mountaineer Mohammed Al-Siyabi (born 1988), Omani footballer Taqi Mubarak Al-Siyabi (born 1978), Omani footballer