Which English spelling of my name should the translation use?
Follow the passport spelling as the reference, and have the translator add a note wherever the source document spells it differently, confirming the same person.
In-depth Answer
Thai-to-Roman transliteration has several competing systems, so one name can appear differently across the ID card, house registration, degree and passport.
Receiving agencies identify you from the passport, so the translation should align with it for data matching.
Professional practice, however, requires fidelity to the source: the translator keeps the source spelling and adds a translator's note recording the passport spelling — an approach agencies accept.
When ordering, always include the passport bio page, and mention the spelling used in any earlier lodgement so the whole file stays uniform.
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Documents most Australia visa applicants translate into English
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