Thailand recognises certain foreign driving entitlements for people who are here temporarily. Whether yours is recognised depends on the country that issued your licence, the international road-traffic convention that applies to it, and whether you hold the corresponding International Driving Permit.
Licences issued by ASEAN member states sit in a different category again: they are mutually recognised under a long-standing regional agreement, subject to current conditions and to translation where the licence is not in English.
This is a case where the detail genuinely matters. Get the entitlement wrong and you may be driving without valid cover, which is a far more expensive mistake than a queue at the transport office.
Situation A
I have just arrived and hold a foreign licence
Your first question is whether your home licence, on its own or with the correct International Driving Permit, lets you drive here at all. Sort that out before thinking about Thai paperwork.
Driving before a Thai licenceSituation B
I hold a valid foreign licence and want a Thai one
Holding a valid foreign licence in the same vehicle category can change how the application is handled. What it changes is exactly the part of the rules that has been moving.
Route ASituation C
I have no foreign licence I can use
Expect the fuller new-driver process: training, the physical checks, and the tests that apply to a first licence under current rules.
Route BSituation D
I want to drive a car
The private car licence has its own application, its own tests and its own fee.
Car licence flowSituation E
I want to ride a scooter or motorcycle
This is a separate licence category. A car licence does not cover it, whatever the engine size.
Motorcycle licence flow