Vladimir Putin has discussed working with international "partners" to take on Islamic State militants, according to Russian media.
The Russian president was reported to have talked about the issue with his Security Council today.
Kremlin spokesman Dmitry Peskov would not say which countries Russia may be willing to work with.
President Obama says "more than 40 countries" have offered to help in the fight against Islamic State terrorists.
He stressed that the US would not lead the fight alone, but would "do things differently" by building a strong international effort against the terror group, who are also known as Isis or Isil.
He told US military personnel: "We will lead a broad coalition of countries who have a stake in this fight because this is not simply America vs Isil, this is the people of the region fighting against Isil."
"It is the world rejecting the brutality of Isil and fighting for a better future for our children and our childrens' children - all of them," he added.
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A social media campaign imitating the popular Ice Bucket Challenge has gone viral. Its target is Islamic State.