Type O family visit visa
Visa neededPeople coming to visit family.

Thailand visas
People coming to visit family.
Applicants must have stayed in Thailand for three consecutive years with one-year visa extensions.
Travellers visiting family can use Type O. People seeking permanent residence must meet its separate requirements.
Travellers visiting family can use Type O. People seeking permanent residence must meet its separate requirements.
There are 2 options: Type O family visit visa (a visa from an embassy); Permanent residence (a special permit).
Yes. Rules depend on the country that issued your passport. Open the Thailand visa page and choose your passport for a plain answer.
Yes. Officials can refuse a visa or entry, even after you apply. Give true answers, bring the documents asked for, and keep proof of your onward trip and money.
On Thailand's official immigration or foreign ministry website, or at its embassy. Rules change, so check close to your trip.
Often you cannot switch visa type inside the country. Ask the immigration office before you travel if you might need to.
Reviewed by @snuck