Emma Jane Coburn (born October 19, 1990) is an American middle-distance runner who specializes in the 3000-meters steeplechase. She holds the distinction of being a world champion, world silver medalist, Olympic bronze medalist, three-time Olympian and 10-time US National Champion in the steeplechase. At the 2017 World Championships in London, Coburn made history by taking gold thereby becoming the first American since 1952 to win a world steeplechase title. At the event she set a championship record of 9:02.58 and broke her own American record by five seconds.