La. Stat. tit. 9 § 292
Current with changes from the 2024 legislative session, Chs. 3, 6-495, effective on or before 7/1/2024
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