The 2000 U.S. Men's Clay Court Championships was an Association of Tennis Professionals men's tennis tournament held on outdoor clay courts in Orlando, Florida in the United States.

It was the 32nd edition of the tournament and was held from May 1 to May 8, 2000.

Fernando González, who entered the main draw as a qualifier, won the singles title.

Fernando González defeated Nicolás Massú 6–2, 6–3 Leander Paes / Jan Siemerink defeated Justin Gimelstob / Sébastien Lareau 6–3, 6–4