Fred Viancos (born July 16, 1962) is an American former professional tennis player.

Viancos, born in Chile, was a collegiate tennis player for Texas Christian University.

He turned professional after college in 1985 and was an early doubles partner of Jim Courier.

[1] In 1989 he featured in the men's doubles main draw of the Australian Open.

[2] He now serves as the chief operating officer of the United States Professional Tennis Association.