Family name หาญศึก (Battle 
, Hansuk 
, หาญศึก ) , around the globe, is a common surname. The last name หาญศึก is habitual in the United States, where it is quite a rare surname, Ireland, and Australia. Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and Thailand. Much less frequently, หาญศึก is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Battle | Australia, Myanmar, United Kingdom, United States, Indonesia |
| Hansuk | Canada, Thailand, United States, India, South Korea |
| หาญศึก | Thailand |
| Hansuek | Thailand, United States |