The 1999 U.S. Men's Clay Court Championships was an Association of Tennis Professionals tennis tournament held in Orlando, United States.

Magnus Norman won the singles title.

Eighth-seeded Magnus Norman won the singles title.

[3] Magnus Norman defeated Guillermo Cañas, 6–0, 6–3.

Jim Courier / Todd Woodbridge defeated Bob Bryan / Mike Bryan, 7–6(7–4), 6–4.