Prime Minister Scott Morrison has congratulated Emmanuel Macron following the French leader's re-election on Monday.
Mr Macron secured a second term as French president after he defeated far-right candidate Marine Le Pen.
Mr Morrison welcomed Mr Macron's election win on Twitter.
"Congratulations Emmanuel Macron on your re-election as president. Another great expression of liberal democracy in action in uncertain times," he wrote.
"We wish you & France every success, in particular your leadership in Europe and as an important partner to Australia in the Indo-Pacific."
Labor deputy leader Richard Marles also congratulated Mr Macron following his election victory.
"France is our neighbour, France is a Pacific country, and as such, France matters deeply to Australia," he told reporters in Darwin.
"It is a profoundly important relationship in Australia's world view, and we certainly look forward to working with President Macron as he leads France over the coming years."
Diplomatic relations between the two nations have been tense in recent times, following Australia's decision to scrap a multi-billion dollar submarine contract with France in favour of nuclear-powered vessels with the AUKUS security pact.
At last year's G20 summit, Mr Macron accused Australia's prime minister of lying to him about the terms of the submarine deal.
Mr Macron defeated far-right rival Marine Le Pen. Source: Getty / Chesnot
Mr Macron is the first French president to win a second term for two decades, but Ms Le Pen's result also marks the closest the far-right has ever come to taking power in France and has revealed a deeply divided nation.
The 44-year-old president faces a litany of challenges in his second term, starting with parliamentary elections in June, where keeping a majority will be critical to ensuring he can realise his ambitions to reform France.
The outcome was expected to be confirmed by official results overnight with the final figures due later on Monday.
Several hundred demonstrators from ultra-left groups took to the streets in some French cities to protest Mr Macron's re-election and Le Pen's score. Police used tear gas to disperse gatherings in Paris and the western city of Rennes.
'New era'
In a victory speech on the Champ de Mars in central Paris at the foot of the Eiffel Tower, Mr Macron vowed to respond to the anger of voters who backed his far-right rival, saying his new term would not continue unchanged from the last five years.
"An answer must be found to the anger and disagreements that led many of our compatriots to vote for the extreme right," he told thousands of cheering supporters.
"It will be my responsibility and that of those around me."
He also pledged a "renewed method" to govern France, adding that this "new era" would not be one of "continuity with the last term which is now ending".
In a combative speech to supporters in Paris in which she accepted the result but showed no sign of quitting politics, Ms Le Pen, 53, said she would "never abandon" the French and was already preparing for the June legislative elections.
"The result represents a brilliant victory," she said to cheers.
"This evening, we launch the great battle for the legislative elections," Ms Le Pen said, adding that she felt "hope" and calling on opponents of the president to join with her National Rally (RN) party.
'Count on France'
The result is narrower than the second-round clash in 2017, when the same two candidates met in the run-off and Mr Macron polled over 66 percent of the vote.
For Ms Le Pen, her third defeat in presidential polls will be a bitter pill to swallow after she ploughed years of effort into making herself electable and distancing her party from the legacy of its founder, her father Jean-Marie Le Pen.
Critics insisted her party never stopped being extreme-right and racist while Mr Macron repeatedly pointed to her plan to ban the wearing of the Muslim headscarf in public if elected.
The projections caused immense relief in Europe after fears a Le Pen presidency would leave the continent rudderless following Brexit and the departure from politics of German chancellor Angela Merkel.
Italian Prime Minister Mario Draghi called Mr Macron's victory "great news for all of Europe" while German Chancellor Olaf Scholz said French voters "sent a strong vote of confidence in Europe today".
EU president Charles Michel said the bloc could now "count on France for five more years" while Commission chief Ursula von der Leyen also congratulated him, saying she was "delighted to be able to continue our excellent cooperation".
In another election on Sunday, Slovenia's three-time Prime Minister Janez Jansa, criticised by opponents as an authoritarian right-wing populist, was at risk of losing power to a party led by political newcomer Robert Golob.
'Ocean of abstention'
Mr Macron will be hoping for a less complicated second term that will allow him to implement his vision of more pro-business reform and tighter EU integration, after a first term shadowed by protests, then the pandemic and finally Russia's invasion of Ukraine.
But he will have to win over those who backed his opponents and the millions of French who did not bother to vote.
Polling organisations estimated turnout of just 72 per cent, the lowest in any presidential election second-round run-off since 1969.
Meanwhile, according to partial results, 6.45 per cent of voters in the election voted for neither candidate in blank ballots while 2.35 per cent spoilt their papers.
The hard-left third-placed candidate in the first round, Jean-Luc Melenchon, had refused to endorse Mr Macron.
He has his eyes firmly set on the June elections.
Mr Melenchon welcomed Ms Le Pen's defeat as "very good news for the unity of our people" but said Ms Le Pen and Mr Macron had barely managed to win a third of support from registered voters.
Mr Macron "is submerged in an ocean of abstention and spoilt ballots", he said.
