Yes
“'Georgia law prohibits the governor from interfering in elections. The Secretary of State, who is an elected constitutional officer, has oversight over elections that cannot be overridden by executive order,' Kemp’s spokesman said several days ago in response to Trump’s public demands." (
Link.)
But it's not just that Trump urged Kemp to violate the law. Trump himself also likely violated criminal law here.
"Kathleen Clark, a law professor at Washington University, said that if Trump invoked his federal authority in his conversation Saturday with Kemp, or made the call from the Oval Office, he could have violated criminal provisions of the Hatch Act,
which prohibits government officials from political activity in their official roles." (
Link.)