STORY: Wallace, visiting Kyiv two months after Prime Minister Boris Johnson, praised Zelenskiy for his own leadership during a war in which Britain has provided Ukraine with weapons and financial assistance and has imposed sanctions on Russia.
Wallace said Zelenskiy was "doing amazing, amazing."
He visited Kyiv a day after two Britons and a Moroccan were sentenced to death by a court in the self-proclaimed Donetsk People's Republic - whose separatist leaders are backed by Moscow - after being captured while fighting for Ukraine.
The presidential press service did not say whether Zelenskiy and Wallace had discussed the trial. Britain has described the court's decision as a "sham judgment" and Ukraine has said the ruling has no authority.