In a statement, the FO said the U.S. decision of pulling out of the 2015 Joint Comprehensive Plan of Action (JCPOA) would reflect badly on the global community's effort to find a solution to the conflict.
The Irish government is standing in line with European partners in opposing the decision by President Donald Trump to rescind USA participation in the Iran nuclear deal.
Russian Federation will remain a party to the global agreement on Iran's nuclear program.
Washington has been a major financial contributor to the IAEA's efforts to make sure that Iran does not develop nuclear weapons under the 2015 agreement that U.S. President Donald Trump abandoned on Tuesday.
"We will meet with my British and German colleagues on Monday, and also with representatives of Iran, to consider the entire situation", French Foreign minister Jean-Yves Le Drian said in an interview with French radio.
With Europe remaining a party to the JCPOA, European companies doing business with Iran, Irish ones included, could end up facing US sanctions. "This was a awful one-sided deal that should have never, ever been made".
"UK remains strongly committed to the JCPoA, and will work with E3 partners and the other parties to the deal to maintain it", he added.
"Unilaterally withdrawing now means undermining US credibility on this and other related matters of world order, like denuclearizing North Korea; losing all access to global inspections of Iran's nuclear activities; and giving the Iranians an excuse to race towards a nuclear bomb, this time with a large cash flow in hand". The EU exported more than EUR8.2bn (US$9.7bn) of goods to Iran in 2016. But the only way Iran feels any uptick in economic pressure is through secondary sanctions pressuring European countries to scale back their trade and investment in Iran.
In a response, President Rouhani said: "If we achieve the deal's goals in cooperation with other members of the deal, it will remain in place".
The JCPOA? reached by Iran, China, France, Germany, Russia, the United Kingdom, the USA and the European Union? sets out rigorous mechanisms for monitoring restrictions placed on Irans nuclear programme, while paving the way for the lifting UN sanctions against the country.
The International Atomic Energy Agency (IAEA), which has carried out the inspections since the deal was signed, has found no evidence Iran was violating its side of the deal.