Albert Korir (born 2 March 1994) is a Kenyan long-distance runner. Korir was the 2021 New York City Marathon champion.
Korir is currently serving a five-year ban set to expire in January 2031 for an anti-doping rule violation after testing positive for CERA.
In 2017, Korir won the Vienna City Marathon with a time of 2:08:40.
In 2019, he won the Houston Marathon with a time of 2:10:02. In this year he also won the marathon event of the Ottawa Race Weekend with a new personal best of 2:08:03. In November 2019, he finished in 2nd place in the New York City Marathon with a time of 2:08:36.
Korir won the 2021 New York City Marathon with a time of 2:08:22.
In March 2026, Korir was issued with a five-year ban by the Athletics Integrity Unit backdated to January 8, 2026 after admitting to using and testing positive for CERA, a banned performance-enhancing drug. The AIU stated "clear evidence of the athlete's use of a prohibited substance on multiple occasions". In addition, his results from October 3, 2025 were disqualified, including his 2025 New York City Marathon third-place finish.