"We call on all sides to exercise restraint and avoid any escalation that could undermine regional stability," Jean-Noel Barrot said on X.
Iran has gradually broken away from its commitments under the nuclear deal it struck with world powers including the United States and France in 2015.
The landmark deal provided Iran sanctions relief in exchange for curbs on its atomic programme, but it fell apart after the unilateral withdrawal of the United States during US President Donald Trump's first term in 2018.