La. Stat. tit. 9 § 292
Current with operative changes from the 2024 Third Special Legislative Session
Notwithstanding any other law to the contrary, a woman, at her option, may use her maiden name, her present spouse's name, or a hyphenated combination thereof. If widowed, divorced, or remarried, a woman may use her maiden name, the surname of her deceased or former spouse, the surname of her present spouse, or any combination thereof.
La. R.S. § 9:292