Hunter Biden has been found guilty on all three counts in his federal gun crimes case in Delaware.
The 12-person jury found the US president's son lied about his drug use on a form when purchasing a handgun in 2018.
Biden now faces a possible prison term of up to 25 years, although a sentence of that length for a first-time offender is highly unlikely.
The jury deliberated after listening to a week of witness testimony about the 54-year-old's drug addiction.
He had pleaded not guilty to the charges - two counts of making false statements and one count of illegal gun possession.
The high-profile trial comes as his father runs for re-election. It is the first time a sitting president's child has been found guilty of a crime.
President Biden said he would "accept the outcome of this case and will continue to respect the judicial process as Hunter considers an appeal".
Juror: 'No politics came into play'
One of the jurors on the Hunter Biden trial spoke to US outlet CNN after the verdict, emphasising that "no politics came into play" among the jury as they deliberated.
"Politics was not even spoken about," he said.
The juror said they did not speak about the first family and kept conversations centred around Hunter Biden.
When asked if the juror thought Hunter should go to jail, he replied "no".
The juror said the group felt bad for Hunter Biden's daughter Naomi Biden, for being called upon to testify about her father. Her testimony did not impact their decision, the juror said.
Will Hunter verdict impact Biden's re-election bid?
Carl Tobias, a law professor at the University of Richmond School of Law, doesn't think a verdict in Hunter Biden's trial will have any implications on his father President Joe Biden's re-election bid for the White House, he told BBC News.
Tobias pointed to recent polling that shows support for former president Donald Trump hasn't wavered in recent weeks, despite his own guilty verdict in a New York court last month.
“I think most people view (Joe Biden) sympathetically as a father who’s tried to help his son through this very difficult time," Tobias said.
"There’s just no showing at all that President Biden had anything to do with his son’s problems, and (he) did everything he possibly could as a parent to help him.”
"I really don’t think it’ll have much impact," Tobias added.
'Simply a smokescreen': Republicans respond to verdict
Several congressional Republicans took to social media platform X, some calling Hunter Biden's guilty verdict a distraction from what they allege are more serious crimes.
"Hunter Biden’s firearm conviction is simply a smokescreen," Rep. Jim Banks, a Republican from Indiana, wrote. "What I'm concerned about is how Joe, Hunter, and James Biden have been enriching themselves by trading away America's interests to our enemies."
"Hunter might deserve to be in jail for something, but purchasing a gun is not it," Rep. Thomas Massie, a Republican from Kentucky, wrote.
Rep. Andrew Clyde, a Republican from Georgia, called Hunter's guilty verdict the "left's attempt to create an illusion of equal justice".
"Don’t fall for it," he said.
Others compared the verdict to that of former US President Donald Trump who was found guilty of 34 felony counts of falsifying business records.
"Hunter Biden is convicted of an actual crime. Donald Trump was railroaded by a political prosecutor and a biased judge," Rep. Bob Good, a Republican from Virginia, said.