Anthony Conrad Nesty (born November 25, 1967) is a former competition swimmer from Suriname who was an Olympic gold medallist in the 100-metre butterfly event in 1988.

While training under Bolles coach Gregg Troy, Nesty broke the prep school 100-yard butterfly record held by Pablo Morales.

Nesty won gold medals in the 100-metre butterfly at the Goodwill Games in 1990 and the FINA World Aquatics Championships in 1991.

Nesty also won eleven Southeastern Conference (SEC) titles—five in individual races and six as a member of Gators relay teams.

[12] On April 13, 2021, the university announced that Nesty would henceforth also be head coach of the Florida Gators women's swimming team.

[13] In November 2021, Caeleb Dressel would move under Nesty's college group at the University of Florida from his former long-time coach Gregg Troy.

Notable swimmers currently under Nesty's direction include Katie Ledecky, Bobby Finke, and Kieran Smith.