Lacy Barnes (born December 23, 1964, in Ridgecrest, California) is a former track and field athlete. She was the United States women's discus throw track and field champion in 1988 and 1991 and the top U.S. finisher in the 1996 Atlanta Olympics.
Barnes studied at California State University, Fresno, competing for the track team. Barnes earned a Ph.D. in psychology from Claremont Graduate University in 2010. In 2000, she was inducted into the Fresno County Athletic Hall of Fame.[1] She resides in Fresno County and is a psychology professor at Madera Community College in Madera, California.
Barnes married Matthew Mileham, a fellow Fresno State track team member who competed in the hammer throw for Great Britain in the 1984 and 1988 Olympics. She divorced Mileham in October 2009, and remarried in November of 2013 to architect and sculptor Marvin Armstrong.