Tens of thousands of Muslims in Iran, Afghanistan, Pakistan and parts of Indian Kashmir have rallied against the cartoons by the French satirical magazine "Charlie Hebdo" of the Prophet Muhammad.
Iranian state television reported mass demonstrations against the cartoons erupting in several cities after Friday prayers.
About 20,000 people protested in the western Afghan city of Herat and hundreds more in Kabul.
At least 15,000 marched in Islamabad, the Pakistani capital, where French flags were set alight and anti-French slogans were chanted.
There were 4,000 demonstrators in Karachi and some 2,000 in Quetta in Peshawar.
Some 3,000 demonstrators were reported In Srinagar, Indian-controlled Kashmir's largest city.
Two Islamist gunmen killed 12 people at the "Charlie Hebdo" offices in Paris on January 7.
After the attack, Charlie Hebdo published an issue with an image of Muhammad with a tear coming out of his eye.