ฉบับภาษาไทย: อ่านหน้านี้เป็นภาษาไทย
Which documents must be updated after changing surname on marriage in Thailand?
Short answer
Taking a spouse's surname is optional in Thailand and, once chosen, is recorded at the district office. From there the change has to be pushed through the ID card, house registration, passport, bank and tax records — nothing updates automatically.
Work outward from the amphoe. Register the surname use and obtain the change-of-name certificate, then replace the Thai ID card and update the house registration (tabien baan) at the same office. Only then apply for a new passport, because the passport office works from the civil registry. Foreign spouses updating a home-country passport follow their own embassy's process, and the Thai marriage certificate will usually need translation and legalisation by the Department of Consular Affairs first.
After the identity documents, chase the records that block transactions: bank accounts and signature cards, the Revenue Department taxpayer record, Social Security, land and condominium title deeds, company shareholder and director records at the DBD, driving licence, insurance policies and beneficiary designations. Keep several certified copies of the name-change certificate — most of these offices keep one. Scope, turnaround and fees are confirmed by IVC staff by phone, LINE or email — this site does not publish prices.
Reviewed as of 2026-08-04. General guidance only, not case-specific advice and not a guarantee of outcome. Government fees, conditions and processing times are set by the responsible authority and can change. This site does not publish prices — please ask our staff.
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