Allison "Allie" Ostrander (born December 24, 1996) is an American long-distance runner from Soldotna, Alaska. The repeat NCAA Division I steeplechase champion in 2017, 2018 and 2019, she competed for the Boise State University Broncos. In July 2019, Ostrander announced her plans to forgo her final season of NCAA eligibility and begin running professionally.
Ostrander was born in Kenai, Alaska in 1996, the daughter of Teri and Paul Ostrander. She has an older sister, Taylor, who was a top middle distance, steeplechase and cross country runner for Kenai Central High School and at the NCAA Division III Willamette University, where she had a best steeple time of 10:40:06 as a sophomore in 2014.
A standout in both athletics and academics, Ostrander graduated from Kenai Central high school in 2015. She began competing in the steeplechase while running for the Boise State Broncos, where she was an Honors student, finishing with a 4.0 Grade Point Average.