Colleen Quigley (born November 20, 1992) is an American middle-distance runner, steeplechase specialist, and Olympian from St. Louis, Missouri.

[7] On September 3, 2018, she lowered her steeplechase personal record to 9:10.27, winning at ISTASF in Berlin and becoming the third-fastest American woman ever at the time.

[8] On June 30, 2019, she ran 9:11.41 to place seventh, and third American, in the star-studded Diamond League steeplechase at the Prefontaine Classic in Stanford, California.

[10] On February 27, 2020, Quigley ran a personal best of 8:28.71 in the 3000 meters at Boston University in a race among her Bowerman Track Club teammates Karissa Schweizer and Shelby Houlihan.

[11] In a Bowerman Track Club inter-squad meet on July 31, 2020, Quigley competed as a member of the 4x1500-meter relay team along with Elise Cranny, Karissa Schweizer, and Shelby Houlihan.

[12] On February 11, 2023, Quigley participated in her first triathlon at the Tritonman draft-legal development race in San Diego, California, finishing first in the overall sprint course.

Quigley earned 2015 Division 1 NCAA Indoor Women's Track and Field Championships Mile run bronze medal.

She won 2015 Division 1 Atlantic Coast Conference Indoor Track Mile run and Distance medley relay titles.

[15] She won Boston University Terriers Invitational Mile run in a FSU record 4:29.67 and Distance medley relay titles.

[15] Quigley earned 2013 Division 1 NCAA Outdoor Women's Track and Field Championship Steeplechase silver medal.