You can choose the international character encodings for the Terminal window.
Choose Terminal > Preferences, and then click Settings.
Select a setting to modify from the Settings list, located on the left side of the Settings pane.
Click Advanced.
Select an encoding in the International Character Encoding pop-up menu.
If you want to use an encoding that is not shown in the pop-up menu, you will need to enable the encoding in the Encodings pane of Terminal preferences.