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Thailand Non-O visa: marriage, Thai child and dependants
Quick answer
- Routes exist for marriage to a Thai national, supporting a Thai child, and dependants of Thai citizens or certain foreign long-stay visa holders.
- The marriage route needs 400,000 THB in a Thai bank, or 40,000 THB monthly income, or a combination.
- Your marriage must be registered and recognised in Thailand.
- Renewal is annual at your local immigration office, with 90-day reporting.
- These visas do not allow work. Work needs a Non-B visa and a work permit.
The routes
- Marriage to a Thai national, renewed each year at immigration
- Supporting a Thai child, which has its own requirements including proof of parentage
- Dependants, meaning spouses and children of Thai citizens or of foreign long-term visa holders, usually following the same annual pattern
Eligibility
- The marriage must be legally registered and recognised at a Thai district office. A marriage registered only abroad generally has to be legalised and recorded in Thailand first.
- A dependant's visa is tied to the sponsor's status, so if the sponsor's visa lapses or changes category, the dependant is directly affected.
Money requirements for the marriage route
400,000 THB held in a Thai bank account for the required period before applying, or 40,000 THB of monthly income verified by an embassy letter, or a combination of the two.
Documents
- Thai marriage certificate (Kor Ror 2 or 3)
- Photos of you together with your spouse
- Your foreign marriage certificate, registered in Thailand first if you married abroad
- Evidence the relationship is genuine, such as joint finances or photos
- For the Thai-child route, proof of parentage
Interviews and home visits
Officers may ask for evidence that the marriage is genuine, and extensions can involve an interview or a home visit. They may check that you live together at the registered address.
Switching routes
Moving between Non-O sub-categories, or to a Non-B, means meeting that category's documents and financial seasoning from scratch. There is no fast track, so give it the same lead time as a first application.
Pitfalls
- Assuming marriage or dependant status gives you the right to work. A separate work permit is required before any work.
- Working without a permit, which risks deportation and a future entry ban
- Treating the O sub-categories as one category, when each has its own requirements, costs and compliance steps
Frequently asked questions
How much money do I need for a Thai marriage visa?
400,000 THB in a Thai bank account for the required period, or 40,000 THB monthly income shown by an embassy letter, or a combination.
Can I work on a Non-O marriage visa?
No. You need a Non-B visa route and a work permit to work in Thailand.
Do I need to register a foreign marriage in Thailand?
Yes. A marriage registered only abroad usually needs to be legalised and recorded in Thailand first.
Official sources
This guide is general information, not legal advice or an official immigration decision. Requirements, fees and procedures can change, and officers have discretion, so check current rules with the relevant Thai authority before you apply.
Related guides
Retirement visa
Compare Thailand's retirement routes for people aged 50+: Non-O with extension, O-A and O-X. Funds, insurance, seasoning rules, reporting and pitfalls.
Extensions & 90-day reports
How Thai visa extensions work, why visa runs no longer suit long stays, re-entry permits, 90-day reporting, TM30 and overstay fines of 500 THB a day.
Non-B (work & business)
How the Non-B visa works for employment and business in Thailand, how it differs from a work permit, sponsor documents, extensions and common mistakes.
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