The defendants were convicted for participating in clashes between Morsi supporters and opponents that killed 12 people in the Mediterranean city of Alexandria last July, after the military overthrew the Islamist president, the sources said.
Since Morsi's ouster, his supporters have been staging weekly protests calling for his reinstatement.
The rallies have often degenerated into violent street clashes with security forces and civilian opponents.
Eleven defendants were given 10 years in jail, 13 were jailed for seven years, 55 were jailed for five years and seven acquitted, the sources added.
At least 1,400 people, mostly Islamists, have been killed in street clashes since Morsi's overthrow, and thousands have been jailed.
Hundreds have been sentenced in mass trial.
Morsi himself faces three trials on various charges, including collusion with militant groups.
Almost 500 security men have also been killed in a wave of militant attacks carried out in retaliation for the crackdown on Morsi supporters.
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