| Year: | 2004 |
| Team: | Maryland Terrapins |
| Sport: | football |
| Conference: | Atlantic Coast Conference |
| Short Conf: | ACC |
| Record: | 5–6 |
| Conf Record: | 3–5 |
| Head Coach: | Ralph Friedgen |
| Hc Year: | 4th |
| Off Coach: | Charlie Taaffe |
| Oc Year: | 4th |
| Def Coach: | Gary Blackney |
| Dc Year: | 4th |
| Stadium: | Byrd Stadium |
The 2004 Maryland Terrapins football team represented the University of Maryland in 2004 NCAA Division I FBS football season. It was the Terrapins' 52nd season as a member of the Atlantic Coast Conference (ACC). Ralph Friedgen led the team for his fourth season as head coach. It was his first as a head coach without a bowl game appearance.
The following players were selected in the 2005 NFL draft.
| Player | Position | Round | Overall | NFL team |
| Shawne Merriman | Linebacker | 1 | 12 | San Diego Chargers |
| Domonique Foxworth | Defensive back | 3 | 97 | Denver Broncos |