"You cannot put women and men on an equal footing," he told a meeting in Istanbul. "It is against nature."
He also said feminists did not grasp the importance of motherhood in Islam.
His comments often seek to appeal to his pious core supporters, says the BBC's Mark Lowen in Istanbul, but they anger more liberal voters.
Turks who have more secular views argue that the government's social policies are taking the country in a dangerous direction, our correspondent says.
Mr Erdogan has previously urged women to have three children, and has lashed out against abortion and birth by Caesarean section. [BBC] Read more
