Foreign materials filtering apparatus and washing machine having the same

In a foreign materials filtering apparatus and a washing machine having the same, a filter unit is not exposed to inside of a washing tub thus not to directly come in contact with laundry, thereby preventing the filter unit and laundry from being damaged and enhancing the entire appearance. Also, the foreign materials filtering apparatus is modularized to facilitate a detachable mounting, thereby enhancing the user's convenience. Additionally, the amount of washing water passing through the foreign materials filtering apparatus is increased by controlling a flowing direction of washing water. Furthermore, foreign materials of washing water are prevented from being introduced into a gap between a washing water circulating duct and a filter unit, thereby enhancing a washing effect.