Abu Zafar Mohammad Saleh (Bengali: আবু জাফর মোহাম্মদ সালেহ; 1915 – 13 February 1990), popularly known as the Pir of Sarsina, was a Bangladeshi Islamic scholar.

[4] Saleh was born on a Thursday in 1915, to a scholarly Bengali Muslim family of Pirs in the village of Sarsina in Swarupkati (later renamed to Nesarabad), Firozpur, then situated in the Backergunge District of the Bengal Province.

His father, Nesaruddin Ahmad, was a khalifah (spiritual successor) of Furfura Sharif's Mohammad Abu Bakr Siddique and the inaugural Pir of Sarsina.

He enrolled at the Darussunnat Kamil Madrasa in Sarsina – one of the most prominent institutions in greater Barisal, founded by his father in 1915.

[6] After his father's death in 1952, Saleh inherited the leadership of Sarsina Darbar Sharif and the chairmanship of the Darussunnat Kamil Madrasa.