diff --git a/crates/ui-egui/src/i18n/mod.rs b/crates/ui-egui/src/i18n/mod.rs
index 9158e02d5..957967ec6 100644
--- a/crates/ui-egui/src/i18n/mod.rs
+++ b/crates/ui-egui/src/i18n/mod.rs
@@ -207,6 +207,9 @@ pub static LANGUAGES: [LangInfo; 26] = [
     LangInfo { code: "tr", name: "Türkçe", source: include_str!("tr.tsv"), plural: plural_none, rtl: false, catalog: OnceLock::new() },
     // Lithuanian; every `lt-*` locale (`lt-LT`, `lt_LT.UTF-8`) resolves here. Three plural forms (one, few, other).
     LangInfo { code: "lt", name: "Lietuvių", source: include_str!("lt.tsv"), plural: plural_lithuanian, rtl: false, catalog: OnceLock::new() },
+    // Vietnamese; every `vi-*` locale (`vi-VN`, `vi_VN.UTF-8`) resolves here. CLDR `vi` counts have
+    // one form ("other"), so `@plural` entries list a single form.
+    LangInfo { code: "vi", name: "Tiếng Việt", source: include_str!("vi.tsv"), plural: plural_none, rtl: false, catalog: OnceLock::new() },
     // Indonesian; every `id-*` locale (`id-ID`, `id_ID.UTF-8`) resolves here. CLDR `id` counts have
     // one form ("other"), so `@plural` entries list a single form.
     LangInfo { code: "id", name: "Bahasa Indonesia", source: include_str!("id.tsv"), plural: plural_none, rtl: false, catalog: OnceLock::new() },