Mary Beth Iagorashvili (née Larsen) (born July 28, 1974 in Waukesha, Wisconsin) is a retired American modern pentathlete.

She is also the first U.S. female modern pentathlete and one of the twenty-four athletes to participate in the first-ever women's event at the 2000 Summer Olympics in Sydney.

In 1999, she married Georgian-born modern pentathlete Vakhtang Iagorashvili, who won an individual bronze medal at the 1988 Summer Olympics in Seoul.

Iagorashvili later competed with her husband Vakhtang at the 2004 Summer Olympics in Athens, after winning medals at the Pan American Games.

[1] After the Olympics, Iagorashvili retired from her sport, and after graduating from Logan College of Chiropractic in December 2001, began her practice in Texas, Minnesota, and Wisconsin.