Quansah was sent off after a video review ruled that his sliding challenge, with his studs showing, warranted a red card.
England had considered appealing the decision after FIFA overturned a one-match suspension handed to United States striker Folarin Balogun earlier in the tournament.
However, Quansah's suspension has been upheld, meaning he will miss Saturday's quarter-final against Norway in Miami.
If England beat Norway, the defender will also be unavailable for a potential semi-final, leaving him eligible to return only if Thomas Tuchel's side reach the World Cup final.
The suspension leaves Tuchel with fewer defensive options at a crucial stage of the competition, with injuries already limiting his choices at the back.
Violence erupted in London after France reached the 2026 FIFA World Cup semifinals with a 2-0 victory over Morocco, leaving a police officer injured and four people arrested following disorder on Edgware Road.
Belgium coach Rudi Garcia believes his side have every chance of causing an upset when they face Spain in the FIFA World Cup quarter-finals on Friday, despite accepting they go into the match as underdogs.
Erling Haaland believes England will carry all the pressure when they face Norway in their 2026 FIFA World Cup quarter-final at Miami Stadium on Saturday.
Spain coach Luis de la Fuente believes football fans have still not seen the best of Lamine Yamal at the 2026 FIFA World Cup as his side prepares for Friday's quarter-final against Belgium in Los Angeles.
