Family name Youthana (Youthana 
) , worldwide, is an extremely rare surname. Predominantly, Youthana is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Youthana | Canada, United States, Thailand |
Koy, Chanthamalihan, Phouthasack, Boonprakong, Sivanthaphanith, Onganantapong, Anuchitanon, Mathouchanh, Youthanatchinda, Luangrath, Puangsuwan, Chowduree, Yawichai, Kulvitit, Paranan, Klainetr, Chantrkeird, Sivali, Hoang, Yuos, Khuy, Mala, Chanthamalinh, and Soumphonphakdy