Civil Code Article 1000

This English translation was last updated on 2021-01-20, but the Chinese text was amended on 2026-08-17. Later amendments may not be reflected in the translation — please refer to the Chinese text.

The husband and the wife should keep his or her own surname. Unless one party shall prefix to his or her surname that of the spouse in writing at the household administration authority.The party who prefixed to his or her surname that of the spouse shall return to his or her own surname. But only one time for change during the continuance of the marriage relationship.
中文原文 民法第1000條
夫妻各保有其本姓。
但得書面約定以其本姓冠以配偶之姓,並向戶政機關登記。
冠姓之一方得隨時回復其本姓。
但於同一婚姻關係存續中以一次為限。

English translation for reference only; the Chinese text prevails. Not legal advice.