If I join with my mother's name, will that affect my application or documents in Singapore?

Yes, using your mother's name instead of the name on your official records can cause problems with your application.

In Singapore, all documents - including visa forms - must use your full name exactly as it appears in your passport. If your passport lists your father's name, you must use that consistently on all application materials. Any mismatch can lead to delays or rejection of your application.

Make sure every document matches your passport and official ID to avoid complications.