Sardar Ghulam Muhammad Khan Tarzi (born Kandahar, April 30, 1830 – 1900/1901) son of Sardar Rahim Dil Khan (and grandson of Sardar Payinda Khan Mohammadizi or Sardar Payinda Muhammad Khan) was a ruler of Kandahar and Baluchistan.
He was a Pashtun soldier, poet, and military leader in Afghanistan.
He is often credited with developing the traditional family name 'Tarzi,' which played a critical role in the history of Afghanistan.