| Club: | LDU Quito |
| Season: | 2004 |
| Chairman: | Darío Ávila |
| Chrtitle: | President |
| Manager: | Jorge Fossati (until April 21) Daniel Carreño (from April 22 to August 18) Juan Carlos Oblitas (from August 20) |
| Mgrtitle: | Manager |
| Stadium: | Estadio Casa Blanca |
| League: | Serie A |
| League Result: | 3rd |
| Cup1: | Copa Libertadores |
| Cup1 Result: | Round of 16 |
| Cup2: | Copa Sudamericana |
| Cup2 Result: | Semifinals |
| League Topscorer: | Franklin Salas (9 goals) |
| Season Topscorer: | Elkin Murillo (14 goals) |
| Pattern B1: | _LDU 2004 |
| Pattern B2: | _LDU 2004A |
| Leftarm2: | FF0000 |
| Rightarm2: | FF0000 |
| Shorts2: | FF0000 |
| Socks2: | FF0000 |
| Pattern La3: | _LDU 2004CL |
| Pattern B3: | _LDU 2004CL |
| Pattern Ra3: | _LDU 2004CL |
| Shorts3: | 000060 |
| Socks3: | 000060 |
| Prevseason: | 2003 |
| Nextseason: | 2005 |
Liga Deportiva Universitaria de Quito's 2004 season was the club's 74th year of existence, the 51st year in professional football, and the 43rd in the top level of professional football in Ecuador.
Supplier: Umbro
Sponsor(s): Siemens Mobile, Coca-Cola, Pilsener
See main article: article and 2004 Copa Libertadores.
See main article: article and 2004 Copa Sudamericana.