The 23-year-old had a spell with Brescia and enjoyed two stints with Major League Soccer side Montreal Impact, where he made a key impact.
The Nigerian winger will now continue his development with the Stadio Oreste Granillo after sealing a temporary deal.
“President Luca Gallo and Reggina announce that they have reached an agreement with Bologna Football Club for the temporary acquisition of the player Orji Okwonwko. The attacker moves to the shores of the Strait until 30 June 2021,” read a statement from the club website.
His compatriot Michael will also spend the rest of the 2020-21 campaign with Marco Baroni’s men, having also been acquired from Bologna.