2004 Thailand Open
Date	27 September – 3 October
Edition	2nd
Category	International Series
Surface	Hard / indoor
Location	Bangkok, Thailand
Champions
Singles
Roger Federer[1]
Doubles
Justin Gimelstob / Graydon Oliver[2]
← 2003 · Thailand Open · 2005 →

The 2004 Thailand Open was a men's tennis tournament played on indoor hard courts. It was the 2nd edition of the Thailand Open, and was part of the International Series of the 2004 ATP Tour. It took place at the Impact Arena in Bangkok, Thailand, from 27 September through 3 October 2004. Roger Federer won the singles title.

Finals

Singles

Roger Federer defeated Andy Roddick, 6–4, 6–0^[1]

• It was Roger Federer's 10th title of the year, also his 21st overall.

Doubles

Justin Gimelstob / Graydon Oliver defeated Yves Allegro / Roger Federer, 5–7, 6–4, 6–4^[2]