Substitute Vincent Aboubakar swept in the winner two minutes from time, flicking the ball over defender Ali Gabr and thumping it home.
Cameroon came from behind to beat Egypt 2-1 and seal a fifth Africa Cup of Nations in a thrilling, edgy final.
Nicolas Nkoulou had earlier equalised for Cameroon, rising highest to power home a header on the hour mark.
The equaliser cancelled out Mohamed Elneny’s opener on 22 minutes with a beautifully taken near-post strike.
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