Bahir Shah is an Afghan cricketer. He made his first-class debut for Speen Ghar Region in the 2017–18 Ahmad Shah Abdali 4-day Tournament on 20 October 2017, scoring 256 runs not out in the first innings. It was the second-highest score on debut, and he became the 17th player to score a double century on first-class debut. The following month, in his third first-class match, he scored a century in both innings, making 111 and 116 respectively. In his next match, he scored 303 not out in the first innings against Boost Region. He became the second-youngest player, after Javed Miandad, to score a triple century in first-class cricket. From his first six innings in first-class cricket he made 831 runs, the most by any player, breaking the previous record of 741 runs made by Bill Ponsford. He scored his 1,000th run in first-class cricket in his eleventh innings, the second-fastest behind Ponsford. He finished the 2017–18 Ahmad Shah Abdali 4-day Tournament as the leading run-scorer, with a total of 1,096 runs. In December 2017, he was named in Afghanistan's squad for the 2018 Under-19 Cricket World Cup. In January 2018, his batting average in first-class cricket was 121.77. This was the highest for any batsman who had scored at least 1,000 first-class runs, with Donald Bradman second on the list with an average of 95.14. However, for the 2018 Ahmad Shah Abdali 4-day Tournament, his form dropped, scoring 408 runs in 7 matches, with just one century. His average for the tournament was 34, with his career average dropping to 71.61. He made his List A debut for Speen Ghar Region in the 2018 Ghazi Amanullah Khan Regional One Day Tournament on 11 July 2018. He only played in two matches during the tournament, scoring a total of sixteen runs, with an average of eight. In April 2019, in the opening match of the 2019 Ahmad Shah Abdali 4-day Tournament, he scored 156 not out against Boost Region, and was named the player of the match. He finished the tournament with 400 runs in five matches, including two centuries. In September 2019, in Speen Ghar Region's first match of the 2019 Ghazi Amanullah Khan Regional One Day Tournament, he scored 103 runs. He finished the tournament with 237 runs, including two centuries, from his four innings. He also took four wickets from just eight balls. He made his Twenty20 debut for Speen Ghar Tigers in the 2019 Shpageeza Cricket League on 11 October 2019, but only scored three runs. Shah only played in one more match in the tournament, scoring 26 runs in his two innings. In November 2019, he was named in Afghanistan's squad for the 2019 ACC Emerging Teams Asia Cup in Bangladesh.
