Globally, เสนาจักร (Sanajak 
, เสนาจักร , Senajak 
) is a very rare gender-neutral first name. The first name เสนาจักร is habitual in Southern Asia, particularly India, where it is an extremely rare epicene name. More frequently, เสนาจักร is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sanajak | India, Thailand |
| เสนาจักร | Thailand |
| Senajak | Australia, Thailand |
| Senachak | United States, Thailand |