La Thành is the Vietnamese form of the Chinese placename Luocheng (Chinese: t 羅城, s 罗城, p Luóchéng, lit. "Enclosing Wall" or "City"), formerly romanized as Lo-chʻeng.

It may refer to:

• Long Biên (Chinese: Longbian), within present-day Hanoi
• Tống Bình (Chinese: Songping), within present-day Hanoi
• Thăng Long, Hanoi proper, particularly
  • Đại La, the old fortress around which the city grew up
• Other Luochengs within China

This disambiguation page lists articles associated with the title La Thành.
If an internal link led you here, you may wish to change the link to point directly to the intended article.