France will also send artillery to Iraq in August to help the Iraqi army fight Daesh terrorists, the President added.
The French aircraft carrier Charles de Gaulle will be sent to the region in September, the President added.
"The Charles de Gaulle airacrft carrier will arrive in the region by the end of September. It and our Rafale aircraft will allow to intensify our strikes against Islamic State positions in Syria and Iraq," Hollande said in a televised statement.
However, France "will not deploy ground troops," Hollande said.
"We support the operations in Syria and Iraq, but will not send our troops. We have advice to give, training to provide, but we will not deploy men on the ground," Hollande stressed.
Iraqi forces are carrying out operations in Nineveh in preparation for an assault on Mosul, Iraq's second-largest city that has been under Daesh control since 2014.
The US-led coalition of more than 60 nations, including France, has been carrying out airstrikes in Syria and Iraq since the summer of 2014.