The sentences handed out yesterday ranged from 13 to 23 years.
The accused included 14 current or former fighters of the elite Azov brigade, which Vladimir Putin's regime designated a terrorist group.
There are also nine women and one man who are said to have worked as cooks or support personnel.
Twelve of the defendants were not in court - 11 had returned to Ukraine in prisoner exchanges and were convicted in absentia.
One more died in custody last year.
All were charged with staging a violent coup d'etat and organising activities of a terrorist group. Some were accused of training to carry out terrorist activities.
It came as Ukrainian foreign minister Andriy Sybiha and his Norwegian counterpart, Espen Barth Eide, laid flowers at the Memory Wall of Fallen Ukrainian Defenders before talks in Kyiv yesterday.
They discussed defence industry co-operation, energy resilience and recovery efforts.
Russia and Ukraine have accused each other of breaking the terms of the US-brokered deal to pause strikes on energy infrastructure - underscoring the challenges of negotiating a broader peace.
Russia's defence ministry claimed Ukrainian drones hit an electricity plant in the Bryansk region yesterday and a power grid facility in the Kursk region on Tuesday...