Family name เที่ยงวัน (Noon 
, เที่ยงวัน, Noonoon 
) , in all the world, is a common surname. The family name เที่ยงวัน is characteristic of Jersey, where it is quite a common surname, Myanmar, and Reunion. Measured by absolute frequency, this name is the most popular in Myanmar, Pakistan, and the United States. Also, เที่ยงวัน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Noon | United Kingdom, Sudan, United States, Pakistan, Myanmar |
| Noonoon, Noomnoon | Thailand |
Eadnoon, Midday, Noonae, Noonam, Nooname, Noonart, Noonat, Noonate, Noonatee, Noonath, Noonchome, Noondong, Noondum, Noonhvao, Noonjan, Noonkerd, Noonlaong, Noonll, Noonnoo, Noonnoon, Noonon, Noonoo, Noonot, Noonpaen, Noonpoj, Noonron, Noonstr, Noonta, Noonteeraswed, Noontenkard, Noonthong, Noontone, Noontong, Noontoom, Noontum, Noonu, Noonuang, Noonuen, Noonueng, Noonun, Noonundh, Noonung, Noonut, Noonuy, Noonvong, Noonwhow, Noonwow, Noythung, Somdayt, Thiangwan, Thumannoon, and Tiengvan