The convicts, Ikechukwu Chukwu, Obieze Sylvanus and Chidiebere Obi,were arraigned before Justice Lamide on a seven-count charge of conspiracy and armed robbery in 2017.
They were said to have terrorised residents around Isolo axis and Adegbola area of Akure, the state capital.
They were also accused of raiding about 11 houses.
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The trio were arrested by men of the now disbanded Special Anti-robbery Squad (SARS) in the process of sharing their loot.
During the trial, the Prosecution led by State Chief Legal Officer, Bunmi Koyenikan called eight witnesses including some victims who testified against the accused.
Delivering his judgment, Justice Lamide found the three accused guilty on the seven-count charges and convicted them based on their confessional statements as well as testimonies of the prosecution.
Lamide subsequently sentenced them to seven years imprisonment for conspiracy and death by hanging for armed robbery.