Crowds are gathering in central Cairo as tension rises after riots in the city of Port Said on Wednesday which left at least 74 people dead.
Angry fans closed off Tahrir Square and state TV ahead of a protest against police handling of the clashes.
Three days of national mourning have been declared over the riot, in which fans invaded the pitch after a match involving top Cairo club al-Ahly.
Emergency meetings of the cabinet and parliament are taking place.
Parliament opened with a minute's silence. Speaker Mohamed Saad al-Katatni said the riots were the "work of the devil" and that Egypt's revolution was "in danger".
Funerals were expected to be held after noon (10:00 GMT) prayers in Port Said.
All Egyptian premier-league matches have been postponed indefinitely.