Northern Thai (Kham Mueang): the language of the North

If your family is from Chiang Mai or anywhere up north, you may have grown up hearing a Thai that didn’t quite match the Thai in your lessons: a softer tune, different little words at the end of sentences, a grandmother who switches when she turns to you. That’s very likely Northern Thai, and it has a long, proud history.

What is Northern Thai called?

Speakers usually call it Kham Mueang, roughly “the speech of the mueang”, and call themselves Khon Mueang, “people of the mueang”. It’s also called Lanna, after the northern kingdom whose language it was, and in English simply Northern Thai. You may also read the name Tai Yuan; Wikipedia notes that many speakers find that name pejorative, so Kham Mueang or Lanna is the friendlier choice.

Where is Northern Thai spoken?

In the nine provinces of the official North: Chiang Mai, Chiang Rai, Lampang, Lamphun, Phrae, Nan, Phayao, Mae Hong Son and Uttaradit. About 6 million people speak it, and Northern families have taken it with them to Bangkok and abroad. Wikipedia’s article on Chiang Rai says most people there speak Kham Muang among themselves.

The North is also one of Thailand’s most multilingual corners. Mae Hong Son has large Shan (Tai Yai) communities, and highland villages across the North speak Karen, Hmong, Lahu, Akha, Lisu, Mien and more. The province pages on the map of Thailand’s 77 provinces list what else is spoken in each one.

How is it different from Central Thai?

Northern Thai and Central Thai are close relatives in the same Tai family. Wikipedia’s article on the language says most linguists see Northern Thai as closer to Central Thai than to Lao or Isan, with all these languages forming a continuum without sharp borders. The differences you’ll notice are tones (Northern Thai has its own set), everyday words, and the little particles at the end of sentences that carry so much of the warmth.

That’s also why a Bangkok-raised cousin can find fast Northern Thai hard to follow, and why you might understand Yai perfectly when she talks to you and lose the thread when she talks to her sister. Both are normal.

What is the Tai Tham script?

Northern Thai has its own traditional script, Tai Tham, called tua mueang in the North. It’s related to the old scripts of the Tai Lue and of Lao temple texts. Today, Wikipedia notes, it’s mainly used in Buddhist temples, where old sermon manuscripts are still read, and on some signs; most people write Northern Thai in the ordinary Thai script. If you spot curly, unfamiliar letters on a temple wall in Chiang Mai, that’s probably Tai Tham.

Why don’t more young people speak it?

Partly history. Siam annexed the northern principalities in 1899, and the Compulsory Education Act of 1921 banned schools and temples from teaching in anything but Central Thai. Today, says Wikipedia, Northern Thai is typically mixed with Central Thai in cities, while people in more remote areas still use it on its own.

So if your parent grew up speaking Kham Mueang and raised you in Central Thai, or in English, that wasn’t a failure on anyone’s part. It’s what a lot of Northern families did. Asking them for a word now is a lovely way back in.

What helps on a visit to Northern family?

You don’t need to speak Northern Thai. Your relatives will almost certainly switch to Central Thai for you, and they’ll be delighted by any Thai at all. A few Central Thai lines from the Reply Thai app make the switching easier:

ฟังออก แต่พูดไม่ค่อยเก่ง

fang ork, tae phuut mai khoi geng

ฟังออก แต่พูดไม่ค่อยเก่งครับ

fang ork, tae phuut mai khoi geng khrap

ฟังออก แต่พูดไม่ค่อยเก่งค่ะ

fang ork, tae phuut mai khoi geng kha

Who is speaking?

ครับ said by a manค่ะ said by a woman

Draft: waiting for a native speaker’s review.

ฟังรู้เรื่อง

fang ruu rueang

ฟังรู้เรื่องครับ

fang ruu rueang khrap

ฟังรู้เรื่องค่ะ

fang ruu rueang kha

Who is speaking?

ครับ said by a manค่ะ said by a woman

Draft: waiting for a native speaker’s review.

ภาษาไทยเรียกว่าอะไรนะ

phaa-saa thai riak waa a-rai na

ภาษาไทยเรียกว่าอะไรนะครับ

phaa-saa thai riak waa a-rai na khrap

ภาษาไทยเรียกว่าอะไรนะคะ

phaa-saa thai riak waa a-rai na kha

Who is speaking?

ครับ said by a manค่ะ said by a woman

Draft: waiting for a native speaker’s review.

That last one is a good question to ask at a Northern table: what’s this called in Thai? Often someone will tell you the Kham Mueang word too, and the story behind it.

Food is another easy way in. Wikipedia’s Chiang Mai province article lists local dishes like khao soi (curry noodle soup), sai ua (herby Northern sausage), kaeng hang-le (a Northern pork curry) and khanom chin nam ngiao. Ask Yai which one is hers.

Where can you learn Northern Thai words?

We’d love to add a set of everyday Kham Mueang words here, checked by native speakers from the North, the way our page on Isan words for visiting family does for the Northeast. Until then, the best teacher is the relative who speaks it. For the bigger picture, see the languages of Thailand, and for the other big regional language, Southern Thai (Pak Tai).

Would you use a Northern Thai app?

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Northern Thai varies from valley to valley and family to family. If yours says it differently, your family is right.

Thai words on this page are a draft until a native speaker has reviewed them.