The man donned the Ukrainian president's iconic green long-sleeved top and matching trousers, and told Japanese network Yomiuri that he took efforts to grow his beard.
His costume was part of the unique graduation ceremony of Kyoto University, which allows students to wear whatever they want.
And they certainly make the most of it.
Over the years, the weird and wonderful tradition has seen everyone from Where's Wally to Pokémon and even Jesus Christ collect their diplomas at the university.
The student, who has only been identified as Amiki on Twitter, told Japanese media that he dressed as Mr Zelensky to show solidarity with Ukraine.
"Since December, when I was growing out my beard, I was told I look like President Zelensky,