Can I open a bank account in Thailand with a 90-day Non-O retirement visa and leave before the 90 days expire without applying for an extension?

Yes you can obtain a 90 day Non-O visa in your country and once you get to Thailand you go to a bank and open an account.

You generally need 3 things, the Non-O stamp, a Thai telephone number and some paperwork for proof of address.

If you do not apply for an extension to that visa it makes no difference to that bank account. The bank will not close it especially if you are sending money to it and don’t let it sit idle and are coming back to Thailand within a year.

The bank doesn’t check to see if you get the extension to your original Non-O or not.

All these people saying the bank account might be closed are talking rubbish.

The 90 day Non O is issued to you on the basis that you intend to have a 90 day holiday, it was issued on the prerequisite that you are a ‘retiree’ with 800,000 baht equivalent in your bank account. The visa isn’t and never will be a ‘retirement’ visa, it’s always a 90 day Non O, that can be extended by 12 months at the immigration officers ‘discretion’. When the Embassy issue the Non O there is no requirement that you need to extend for another 12 months.

Just pre fund a kbank card instead and use this for bills and prompt pay.

If you leave before the 90 days, I believe that ends the Non O Visa….

I doubt immigration will care, however your bank may if there are long periods of inactivity on your account they may freeze your account or cancel it.

Me too

You can't open a bank account with a short term visa

Immigration doesn't care. But the bank does. They will close your account unless you get a long term visa or renew your O visa.

Sure you can do it. But if your intention is to then use that account while on later tourist entries you may well find that it gets frozen at some point. If you are honest with the bank they are unlikely to open an account for you

So what's your thinking just staying here 90 days then off.

Difficult question. Bkk bank on one place may do difficult while Bkk bank on the other side of town accepts.

Abey Abey you do not need any visa if you only visit three or four times within a one-year period, and only stay 3-4 weeks each time. No problem as long as you can show the famous three proofs on each entry. You can enter visa exempt, it is absolutely no problem if you stay under a 150 days total stay within a 1-year period - you would be considered being a real tourist on such an entry pattern. But you cannot get a bank account opened on a visa-exemption. You would have to rely on your credit cards or on whatever cash you bring with you and exchange at the Superrich money changer in the BKK airport basement

If you have a bank account and do not have a long stay visa then the bank could ask you to close the account. If you have the account and you never have to interact with the bank and they never ask about your visa then you will probably be able to continue to have an account.

I doubt that there is some master AI driven program trying to discern who is doing what you suggest. Just be aware that the account could be frozen or closed if you don't have a current valid long stay visa.

I have done that currently on my third none o visa. In 18 months. No problem at immigration, or from my Thai bank. I am applying for the 12 month extension this time.

You can but the bank might freeze the account if it’s not used.

Yes that’s fine. When you finally decide to stay then get another non O visa.

Of course, but why?

Just get 60 days Exempt or VOA

Oh wait,

You just want a Bank account 🤔

as long as you don't do this consecutively more than 2 times every rolling 1-year period (it would mean a "misuse" of the Non-Imm-O visa for a longstay in Thailand) it is okay