The 2004 RCA Championships was a men's tennis tournament played on outdoor hard courts.

It was the 17th edition of the event known that year as the RCA Championships, and was part of the International Series of the 2004 ATP Tour.

It was the second event of the 2004 US Open series, after the Mercedes Benz Cup in Los Angeles.

Andy Roddick won the singles title.

Andy Roddick defeated Nicolas Kiefer, 6–2, 6–3 Jordan Kerr / Jim Thomas defeated Wayne Black / Kevin Ullyett 6–7(7–9), 7–6(7–3), 6–3