2003–04 Phoenix Suns season

The 2003–04 NBA season was the 36th for the Phoenix Suns in the National Basketball Association. After advancing to the playoffs the previous season, the Suns started off to a disappointing start under head coach Frank Johnson. With the team at 8–13, team management elected to turn to assistant coach Mike D'Antoni to take over for Johnson. Under D'Antoni, the Suns would lose 40 of their next 61 games and miss the playoffs, finishing sixth in the Pacific division with a 29–53 regular season record, the first time since the 1987–88 season the Suns recorded 50 losses or more. The Suns played their home games at America West Arena.

2003–04 Phoenix Suns season

The 2003–04 NBA season was the 36th for the Phoenix Suns in the National Basketball Association. After advancing to the playoffs the previous season, the Suns started off to a disappointing start under head coach Frank Johnson. With the team at 8–13, team management elected to turn to assistant coach Mike D'Antoni to take over for Johnson. Under D'Antoni, the Suns would lose 40 of their next 61 games and miss the playoffs, finishing sixth in the Pacific division with a 29–53 regular season record, the first time since the 1987–88 season the Suns recorded 50 losses or more. The Suns played their home games at America West Arena.