diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -8,6 +8,7 @@
   kcmodule.cpp
   khelpclient.cpp
   klanguagebutton.cpp
+  klanguagename.cpp
   kpastetextaction.cpp
   krecentfilesaction.cpp
   kstandardaction.cpp
@@ -52,6 +53,7 @@
   KCModule
   KHelpClient
   KLanguageButton
+  KLanguageName
   KPasteTextAction
   KRecentFilesAction
   KViewStateMaintainer
diff --git a/src/klanguagename.h b/src/klanguagename.h
new file mode 100644
--- /dev/null
+++ b/src/klanguagename.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 1999-2003 Hans Petter Bieker <bieker@kde.org>
+ *           (c) 2001      Martijn Klingens <klingens@kde.org>
+ *           (c) 2007      David Jarvie <software@astrojar.org.uk>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ */
+
+#ifndef KLANGUAGENAME_H
+#define KLANGUAGENAME_H
+
+#include "kconfigwidgets_export.h"
+
+class QString;
+
+/**
+ * @class KLanguageName klanguagename.h KLanguageName
+ *
+ * KLanguageName is a helper namespace that returns the name of a given language code.
+ *
+ * @since 5.44
+ *
+ */
+namespace KLanguageName
+{
+    /**
+     * Returns the name of the given language code in the current locale.
+     *
+     * If it can't be found in the current locale it returns the name in English.
+     *
+     * It it can't be found in English either returns an empty QString.
+     *
+     * @param code code (ISO 639-1) of the language whose name is wanted.
+     */
+    KCONFIGWIDGETS_EXPORT QString nameForCode(const QString &code);
+
+    /**
+     * Returns the name of the given language code in the other given locale code.
+     *
+     * If it can't be found in the given locale it returns the name in English.
+     *
+     * It it can't be found in English either returns an empty QString.
+     *
+     * @param code code (ISO 639-1) of the language whose name is wanted.
+     * @param outputLocale code (ISO 639-1) of the language in which we want the name in.
+     */
+    KCONFIGWIDGETS_EXPORT QString nameForCodeInLocale(const QString &code, const QString &outputLocale);
+}
+
+#endif
diff --git a/src/klanguagename.cpp b/src/klanguagename.cpp
new file mode 100644
--- /dev/null
+++ b/src/klanguagename.cpp
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 1999-2003 Hans Petter Bieker <bieker@kde.org>
+ *           (c) 2007      David Jarvie <software@astrojar.org.uk>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ */
+
+#include "klanguagename.h"
+#include "kconfigwidgets_debug.h"
+
+#include <kconfig.h>
+#include <kconfiggroup.h>
+
+#include <QFile>
+
+QString KLanguageName::nameForCode(const QString &code)
+{
+    const QString realCode = code == QStringLiteral("en") ? QStringLiteral("en_US") : code;
+
+    const QString entryFile = QStandardPaths::locate(QStandardPaths::GenericDataLocation, QStringLiteral("locale") + QLatin1Char('/') + realCode + QStringLiteral("/kf5_entry.desktop"));
+    if (!entryFile.isEmpty()) {
+        KConfig entry(entryFile, KConfig::SimpleConfig);
+        const KConfigGroup group(&entry, "KCM Locale");
+        return group.readEntry("Name");
+    }
+
+    const QLocale locale(realCode);
+    if (locale != QLocale::c()) {
+        return QLocale::languageToString(locale.language());
+    }
+
+    return QString();
+}
+
+QString KLanguageName::nameForCodeInLocale(const QString &code, const QString &outputLocale)
+{
+    const QString realCode = code == QStringLiteral("en") ? QStringLiteral("en_US") : code;
+    const QString realOutputLocale = outputLocale == QStringLiteral("en") ? QStringLiteral("en_US") : outputLocale;
+
+    const QString entryFile = QStandardPaths::locate(QStandardPaths::GenericDataLocation, QStringLiteral("locale") + QLatin1Char('/') + realCode + QStringLiteral("/kf5_entry.desktop"));
+    if (!entryFile.isEmpty()) {
+        KConfig entry(entryFile, KConfig::SimpleConfig);
+        entry.setLocale(realOutputLocale);
+        const KConfigGroup group(&entry, "KCM Locale");
+        const QString name = group.readEntry("Name");
+
+        if (realCode == realOutputLocale) {
+            // KConfig doesn't have a way to say it didn't find the entry in realOutputLocale and returned the english version
+            // so we check for the english version if it's equal to the "non-english" version and QLocale::nativeLanguageName() is different
+            // we give the QLocale version
+            entry.setLocale("en");
+            const QString englisName = group.readEntry("Name");
+            if (name != englisName) {
+                return name;
+            } else {
+                const QLocale locale(realCode);
+                return locale.nativeLanguageName();
+            }
+        }
+    }
+
+    const QLocale locale(realCode);
+    if (locale != QLocale::c()) {
+        QString name;
+        if (realCode == realOutputLocale) {
+            name = locale.nativeLanguageName();
+        }
+        return name.isEmpty() ? QLocale::languageToString(locale.language()) : name;
+    }
+
+    return QString();
+}