Across the world, อาจารย์ (Akru 
, Acharon 
, Lecturer 
) is a rare gender-neutral first name. The forename อาจารย์ is characteristic of Greece, where it is a rare male name, India, where it is a very rare gender-neutral name, and Philippines, where it is a very rare predominantly boy's, but very seldom female name. More frequently, อาจารย์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Akru | India, Nigeria, Malaysia |
| Acharon | Saudi Arabia, Philippines, United States, India, Greece |
| Lecturer | Indonesia, Saudi Arabia, Malaysia, Bangladesh, Myanmar |
| อาจารย์ | Thailand |
Achan, Achanant, Achanit, Achanun, Acharan, Acharanthan, Acharinee, Acharint, Acharit, Achariyar, Acharn, Acharorn, Ajaan, Ajachat, Ajachra, Ajahn, Ajanachaloajan, Ajananatr, Ajaporn, Ajaranunt, Ajarinee, Ajawat, Amnuj, Archanainant, Archanainunt, Archanant, Archpanit, Arjahn, Arjanrree, Arjar, Arjarer, Arjarkhom, Arjarn, Arjarong, Arjarsa, Arjsorn, Arjueng, Arschana, Artsatru, Auchanai, Aujarern, Chearchuer, Chursuree, Deacharn, Escultor, Khrour, Maestre, Maestri, Mahustee, Masturor,
บวรขจรศิลป์, and สวยพรมราช