diff --git a/quartz/i18n/index.ts b/quartz/i18n/index.ts
index 53650098f..6707ea35d 100644
--- a/quartz/i18n/index.ts
+++ b/quartz/i18n/index.ts
@@ -13,6 +13,7 @@ import ru from "./locales/ru-RU"
 import ko from "./locales/ko-KR"
 import zh from "./locales/zh-CN"
 import vi from "./locales/vi-VN"
+import pt from "./locales/pt-BR"
 import hu from "./locales/hu-HU"
 
 export const TRANSLATIONS = {
@@ -51,6 +52,7 @@ export const TRANSLATIONS = {
   "ko-KR": ko,
   "zh-CN": zh,
   "vi-VN": vi,
+  "pt-BR": pt,
   "hu-HU": hu,
 } as const
 
diff --git a/quartz/i18n/locales/pt-BR.ts b/quartz/i18n/locales/pt-BR.ts
new file mode 100644
index 000000000..b59c7b47b
--- /dev/null
+++ b/quartz/i18n/locales/pt-BR.ts
@@ -0,0 +1,83 @@
+import { Translation } from "./definition"
+
+export default {
+  propertyDefaults: {
+    title: "Sem título",
+    description: "Sem descrição",
+  },
+  components: {
+    callout: {
+      note: "Nota",
+      abstract: "Abstrato",
+      info: "Info",
+      todo: "Pendência",
+      tip: "Dica",
+      success: "Sucesso",
+      question: "Pergunta",
+      warning: "Aviso",
+      failure: "Falha",
+      danger: "Perigo",
+      bug: "Bug",
+      example: "Exemplo",
+      quote: "Citação",
+    },
+    backlinks: {
+      title: "Backlinks",
+      noBacklinksFound: "Sem backlinks encontrados",
+    },
+    themeToggle: {
+      lightMode: "Tema claro",
+      darkMode: "Tema escuro",
+    },
+    explorer: {
+      title: "Explorador",
+    },
+    footer: {
+      createdWith: "Criado com",
+    },
+    graph: {
+      title: "Visão de gráfico",
+    },
+    recentNotes: {
+      title: "Notas recentes",
+      seeRemainingMore: ({ remaining }) => `Veja mais ${remaining} →`,
+    },
+    transcludes: {
+      transcludeOf: ({ targetSlug }) => `Transcrever de ${targetSlug}`,
+      linkToOriginal: "Link ao original",
+    },
+    search: {
+      title: "Pesquisar",
+      searchBarPlaceholder: "Pesquisar por algo",
+    },
+    tableOfContents: {
+      title: "Sumário",
+    },
+    contentMeta: {
+      readingTime: ({ minutes }) => `Leitura de ${minutes} min`,
+    },
+  },
+  pages: {
+    rss: {
+      recentNotes: "Notas recentes",
+      lastFewNotes: ({ count }) => `Últimas ${count} notas`,
+    },
+    error: {
+      title: "Não encontrado",
+      notFound: "Esta página é privada ou não existe.",
+    },
+    folderContent: {
+      folder: "Arquivo",
+      itemsUnderFolder: ({ count }) =>
+        count === 1 ? "1 item mneste arquivo." : `${count} items neste arquivo.`,
+    },
+    tagContent: {
+      tag: "Tag",
+      tagIndex: "Sumário de Tags",
+      itemsUnderTag: ({ count }) =>
+        count === 1 ? "1 item com esta tag." : `${count} items com esta tag.`,
+      showingFirst: ({ count }) => `Mostrando as ${count} primeiras tags.`,
+      totalTags: ({ count }) => `Encontradas ${count} tags.`,
+    },
+  },
+} as const satisfies Translation