Meseret Hailu Debele (born 12 September 1990) is an Ethiopian long-distance runner who competes in half marathons and marathons. She was the gold medallist at the 2012 IAAF World Half Marathon Championships and won the Amsterdam Marathon that same year. Her personal bests are 2:21:09 hours for the marathon and 66:56 minutes for the half marathon. She came ninth at the 2011 Mumbai Marathon, was runner-up by seven second at the Belgrade Marathon, and came fifth at the Reims Marathon. She was also third at that year's Route du Vin Half Marathon.