Lacy Janson (born February 20, 1983) is an American track and field athlete who specialized in the pole vault.

She was the 2001 United States high school champion in the pole vault and went on to win the gold medal at the Pan American Junior Championships in Athletics that year.

[2] She joined Florida State University in 2002 and, representing the FSU Seminoles, she won NCAA All-American honours indoors and out that year.

Janson repeated the ACC double in 2003 and took her first major college title at the NCAA Women's Indoor Track and Field Championship.

[1] In her final year at FSU she was the runner-up at the NCAA Indoor meet and became the 2006 ACC Outdoor champion with a personal record vault of 4.58 meters.