All over the world, บุญธิราช (บุญธิราช 
) is a very rare feminine forename. The first name บุญธิราช is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare female name.
| VARIANT | COUNTRY |
|---|---|
| บุญธิราช | Thailand |
คงนิสัย, and พันธุ์ศิริ