Melanie M. Valerio (born May 7, 1969) is an American former competition swimmer and Olympic gold medalist.

Valerio was born in Campbell, Ohio and graduated from the Hawken School in Gates Mills, Ohio.

At the 1996 Summer Olympics in Atlanta, Georgia, Valerio earned a gold medal by swimming for the winning U.S. team in the preliminary heats of the women's 4×100-meter freestyle relay.

Valerio races Ironman and is an elite age-group member of the Timex Multisport Team.

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