Samiullah Khan Niazi (born 4 August 1982) is a Pakistani first-class cricketer who plays for Sargodha, Faisalabad and Pakistan A as a left-arm medium-fast bowler.
Samiullah Khan Niazi was one of the leading wicket-taker in the 2005–06 Pakistani first-class season with 75 wickets at 18.36.
He was a late inclusion for Pakistan's 2006 tour of England, replacing Rana Naved-ul-Hasan.
He had previously represented Pakistan when he played two one international against Zimbabwe at Karachi and Hyderabad in 2006.
he was also first attack bowler of Pakistan A in Euroasia cup tournament where they beat India in final.
He is a genuine left arm swing bowler.
He was a member of the Faisalabad Wolves team which won the International Twenty20 Championship in England.
In the final of the 2017–18 Quaid-e-Azam Trophy, he took his career-best bowling figures of 8 for 62 in the second innings and his 25th five-wicket haul in first-class cricket.
This lead Sui Northern Gas Pipelines Limited to their third Quaid-e-Azam Trophy in four years and he was named as man of the match.