Conte sent Biden and Vice-President Kamala Harris his best wishes in facing the tasks ahead, saying “Italy stands ready to face the challenges of our common international agenda together with the United States”.
“Best wishes for your work to President Joe Biden and Vice-President Kamala Harris,” Conte tweeted.
“This is a great day for democracy, reaching far beyond the American borders.”
Pope Francis later on Wednesday evening urged Biden to promote “reconciliation and peace” around the world in his new role.
“At a time when the grave crises facing our human family call for far-sighted and united responses, I pray that your decisions will be guided by a concern for building a society marked by authentic justice and freedom,” the pontiff said in a statement.
Italy’s political leaders have not made any reference to former president Donald Trump in their responses to the US election results or Biden’s inauguration.
Some European leaders, however, made their feelings about the end of Trump’s presidency clear.
“Once again, after four long years, Europe has a friend in the White House,” European Commission President Ursula von der Leyen said on Wednesday.
“This new dawn in America is the moment we’ve been waiting for so long.
“Europe is ready for a new start with our oldest and most trusted partner.”