Resident Evil 4 supports the following language options for text and voice:
<Text Languages>
- Japanese
- English
- French
- German
- Italian
- Spanish - Spain
- Spanish - Latin America
- Arabic
- Russian
- Brazilian Portuguese
- Korean
- Chinese (Traditional)
- Chinese (Simplified)
＜Voice Languages＞
- Japanese
- English
- French
- German
- Italian
- Spanish - Spain
- Russian
- Brazilian Portuguese
- Chinese (Simplified)
You can change them when you launch the game for the first time or from Language settings under the Options menu on the Title menu after launching the game. There are currently no plans to add additional text / voice language options to Resident Evil 4.