Desire Oparanozie’s goal marked the glorious win of Nigeria and retained the trophy they won in Namibia two years ago.
Winning two of the ten editions played so far, The Super Falcons are the ruling team of Women’s Africa Cup.
Despite enjoying massive home support, in a repeat of the 2014 final, Cameroon finished as runners-up
In front of Cameroon president Paul Biya, the hosts had the better of the first half, with a number of chances for Aboudi Onguene, but the Indomitable Lionesses failed to make the most of their opportunities.
In the second half, Oparanozie, who also scored Nigeria’s winner against South Africa in their semi-final, hit the decisive goal again when she broke the deadlock seven minutes from time.
She followed through on a pass from the tournament’s leading scorer Asisat Oshoala to give her team the trophy.
The winning goal from Nigeria was a huge blow for the hosts and the thousands of fans who filled the 40,000 capacity Ahmadou Ahidjo stadium more than five hours before kick-off.
Security in the stadium was stepped up for the final because of the presence of President Paul Biya and roads were blocked for several kilometres around the stadium since early morning.
There were three fan parks around Yaounde set up for people to see the game.
Ghana finished as bronze medalists after a 1-0 win over South Africa on Friday.