diff --git a/python_docs_theme/locale/vi/LC_MESSAGES/python-docs-theme.po b/python_docs_theme/locale/vi/LC_MESSAGES/python-docs-theme.po
@@ -0,0 +1,129 @@
+# Translations template for python-docs-theme.
+# Copyright (C) 2026 Python Software Foundation
+# This file is distributed under the same license as the python-docs-theme
+# project.
+# FIRST AUTHOR <EMAIL@ADDRESS>, 2026.
+#
+# Translators:
+# Nguyen Duc Tam, 2026
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: python-docs-theme 2026.4\n"
+"Report-Msgid-Bugs-To: https://github.com/python/python-docs-theme/issues\n"
+"POT-Creation-Date: 2026-04-27 03:20+0000\n"
+"PO-Revision-Date: 2025-09-06 07:41+0000\n"
+"Last-Translator: Nguyen Duc Tam, 2026\n"
+"Language-Team: Vietnamese (https://app.transifex.com/python-doc/teams/5390/vi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: Babel 2.18.0\n"
+"Language: vi\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+#: python_docs_theme/footerdonate.html:1
+msgid "The Python Software Foundation is a non-profit corporation."
+msgstr "Python Software Foundation là một tổ chức phi lợi nhuận."
+
+#: python_docs_theme/footerdonate.html:2
+msgid "Please donate."
+msgstr "Vui lòng quyên góp."
+
+#: python_docs_theme/layout.html:6
+msgid "Navigation"
+msgstr "Điều hướng"
+
+#: python_docs_theme/layout.html:51 python_docs_theme/layout.html:111
+msgid "Quick search"
+msgstr "Tìm kiếm nhanh"
+
+#: python_docs_theme/layout.html:52 python_docs_theme/layout.html:112
+msgid "Go"
+msgstr "Đi tiếp"
+
+#: python_docs_theme/layout.html:60
+msgid "Theme"
+msgstr "Theme"
+
+#: python_docs_theme/layout.html:62
+msgid "Auto"
+msgstr "Tự động"
+
+#: python_docs_theme/layout.html:63
+msgid "Light"
+msgstr "Sáng"
+
+#: python_docs_theme/layout.html:64
+msgid "Dark"
+msgstr " Tối"
+
+#: python_docs_theme/layout.html:96
+msgid "Menu"
+msgstr "Menu"
+
+#: python_docs_theme/layout.html:142
+msgid "Copyright"
+msgstr "Bản quyền"
+
+#: python_docs_theme/layout.html:147
+msgid ""
+"This page is licensed under the Python Software Foundation License Version "
+"2."
+msgstr ""
+"Trang này được cấp phép theo Giấy phép của Tổ chức Phần mềm Python Phiên bản"
+" 2."
+
+#: python_docs_theme/layout.html:149
+msgid ""
+"Examples, recipes, and other code in the documentation are additionally "
+"licensed under the Zero Clause BSD License."
+msgstr ""
+"Các ví dụ, hướng dẫn và mã nguồn khác trong tài liệu này còn được cấp phép "
+"bổ sung theo Giấy phép BSD Không Điều khoản."
+
+#: python_docs_theme/layout.html:152
+#, python-format
+msgid ""
+"See <a href=\"%(license_file)s\">History and License</a> for more "
+"information."
+msgstr ""
+"Xem <a href=\"%(license_file)s\">Lịch sử và Giấy phép</a> để biết thêm thông"
+" tin."
+
+#: python_docs_theme/layout.html:155
+#, python-format
+msgid "Hosted on %(hosted_on)s."
+msgstr "Được lưu trữ trên %(hosted_on)s."
+
+#: python_docs_theme/layout.html:163
+#, python-format
+msgid "Last updated on %(last_updated)s."
+msgstr "Cập nhật lần cuối vào %(last_updated)s."
+
+#: python_docs_theme/layout.html:166
+#, python-format
+msgid "<a href=\"%(theme_issues_url)s\">Found a bug</a>?"
+msgstr "<a href=\"%(theme_issues_url)s\">Tìm thấy lỗi</a>?"
+
+#: python_docs_theme/layout.html:170
+#, python-format
+msgid ""
+"Created using <a href=\"https://www.sphinx-doc.org/\">Sphinx</a> "
+"%(sphinx_version)s."
+msgstr ""
+"Được tạo bằng <a href=\"https://www.sphinx-doc.org/\">Sphinx</a> "
+"%(sphinx_version)s. "
+
+#: python_docs_theme/static/copybutton.js:30
+#: python_docs_theme/static/copybutton.js:55
+msgid "Copy"
+msgstr "Sao chép"
+
+#: python_docs_theme/static/copybutton.js:31
+msgid "Copy to clipboard"
+msgstr "Sao chép vào clipboard"
+
+#: python_docs_theme/static/copybutton.js:53
+msgid "Copied!"
+msgstr "Đã sao chép!"