Lacey Pearl Nymeyer (born October 29, 1985) is an American former competition swimmer, Olympic medalist, and former world record-holder.

During Nymeyer's senior year, the Wildcats won the 2008 NCAA Women's Swimming and Diving Championship.

[7][8] On October 18, 2009, Nymeyer was named the "2009 NCAA Woman of the Year" which honors female student-athletes who have completed their eligibility, demonstrated academic and athletics excellence, and engaged in community service and leadership opportunities.

At the 2008 Olympic Games in Beijing, Nymeyer was part of the 4×100-meter freestyle team that won the silver medal.

At the 2009 World Championships in Rome, Nymeyer was a member of the 4×200-meter freestyle relay that finished second to China.