Yomif Kejelcha Atomsa (born 1 August 1997)[2] is an Ethiopian distance runner. He holds the current world record in the short track mile (3:47.01 set in 2019), and the half marathon (57:30 set in 2024, pending ratification).
Kejelcha won the silver medal in the 10,000 metres at the 2019 World Athletics Championships and gold medals for the 3000 metres at the 2016 and 2018 World Indoor Championships. He was the 2013 World Youth 3000 m champion and 2014 World Junior 5000 m gold medallist.