diff --git a/CHANGELOG b/CHANGELOG
index 42f3f3916..706d39f8b 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -74,6 +74,7 @@ Core:
 - Added config for disabling header and footer in the projector [#3357].
 - Updated CKEditor to 4.7 [#3375].
 - Reduced ckeditor toolbar for inline editing [#3368].
+- Added custom translations in config [#3383].
 
 Mediafiles:
 - Fixed reloading of PDF on page change [#3274].
diff --git a/openslides/core/config.py b/openslides/core/config.py
index 7a7ed689c..f3683ad83 100644
--- a/openslides/core/config.py
+++ b/openslides/core/config.py
@@ -20,6 +20,7 @@ INPUT_TYPE_MAPPING = {
     'datetimepicker': int,
     'majorityMethod': str,
     'logo': dict,
+    'translations': list,
 }
 
 
@@ -125,6 +126,22 @@ class ConfigHandler:
                 if not isinstance(value[required_entry], str):
                     raise ConfigError(_('{} has to be a string.'.format(required_entry)))
 
+        if config_variable.input_type == 'translations':
+            if not isinstance(value, list):
+                raise ConfigError(_('Translations has to be a list.'))
+            for entry in value:
+                if not isinstance(entry, dict):
+                    raise ConfigError(_('Every value has to be a dict, not {}.'.format(type(entry))))
+                whitelist = (
+                    'original',
+                    'translation',
+                )
+                for required_entry in whitelist:
+                    if required_entry not in entry:
+                        raise ConfigError(_('{} has to be given.'.format(required_entry)))
+                    if not isinstance(entry[required_entry], str):
+                        raise ConfigError(_('{} has to be a string.'.format(required_entry)))
+
         # Save the new value to the database.
         db_value = ConfigStore.objects.get(key=key)
         db_value.value = value
diff --git a/openslides/core/config_variables.py b/openslides/core/config_variables.py
index 13e31e1a0..75f19d0e9 100644
--- a/openslides/core/config_variables.py
+++ b/openslides/core/config_variables.py
@@ -322,3 +322,12 @@ def get_config_variables():
         weight=312,
         group='Logo',
         hidden=True)
+
+    # Custom translations
+    yield ConfigVariable(
+        name='translations',
+        label='Custom translations',
+        default_value=[],
+        input_type='translations',
+        weight=1000,
+        group='Custom translations')
diff --git a/openslides/core/static/css/app.css b/openslides/core/static/css/app.css
index 28ebc0605..c339d20e4 100644
--- a/openslides/core/static/css/app.css
+++ b/openslides/core/static/css/app.css
@@ -1120,11 +1120,24 @@ img {
 
 /** Config **/
 .input-comments > div {
-    margin-bottom: 5px
+    margin-bottom: 5px;
 }
 .config-checkbox {
     padding: 6px 12px;
 }
+.config-translations > div {
+    margin-bottom: 5px;
+    padding-right: 15px;
+    width: 100%;
+}
+.config-translations .inputs input {
+    width: 47%;
+}
+.config-translations .inputs .arrow {
+    width: 6%;
+    float: left;
+    text-align: center;
+}
 
 /** Pojector sidebar **/
 .col2 .projectorSelector {
diff --git a/openslides/core/static/js/core/base.js b/openslides/core/static/js/core/base.js
index 21f1fe45c..7f30b67c7 100644
--- a/openslides/core/static/js/core/base.js
+++ b/openslides/core/static/js/core/base.js
@@ -254,6 +254,52 @@ angular.module('OpenSlidesApp.core', [
     }
 ])
 
+// Hook into gettextCatalog to include custom translations by wrapping
+// the getString method. The translations are stored in the config.
+.decorator('gettextCatalog', [
+    '$delegate',
+    '$rootScope',
+    function ($delegate, $rootScope) {
+        var oldGetString = $delegate.getString;
+        var customTranslations = {};
+
+        $delegate.getString = function () {
+            var translated = oldGetString.apply($delegate, arguments);
+            if (customTranslations[translated]) {
+                translated = customTranslations[translated];
+            }
+            return translated;
+        };
+        $delegate.setCustomTranslations = function (translations) {
+            customTranslations = translations;
+            $rootScope.$broadcast('gettextLanguageChanged');
+        };
+
+        return $delegate;
+    }
+])
+
+.run([
+    '$rootScope',
+    'Config',
+    'gettextCatalog',
+    function ($rootScope, Config, gettextCatalog) {
+        $rootScope.$watch(function () {
+            return Config.lastModified('translations');
+        }, function () {
+            var translations = Config.get('translations');
+            if (translations) {
+                var customTranslations = {};
+                _.forEach(translations.value, function (entry) {
+                    customTranslations[entry.original] = entry.translation;
+                });
+                // Update all translate directives
+                gettextCatalog.setCustomTranslations(customTranslations);
+            }
+        });
+    }
+])
+
 // set browser language as default language for OpenSlides
 .run([
     'gettextCatalog',
diff --git a/openslides/core/static/js/core/site.js b/openslides/core/static/js/core/site.js
index 947fea59a..e4cd2c079 100644
--- a/openslides/core/static/js/core/site.js
+++ b/openslides/core/static/js/core/site.js
@@ -825,6 +825,7 @@ angular.module('OpenSlidesApp.core.site', [
                 colorpicker: 'colorpicker',
                 datetimepicker: 'datetimepicker',
                 majorityMethod: 'choice',
+                translations: 'translations',
             }[type];
         };
 
@@ -1134,6 +1135,19 @@ angular.module('OpenSlidesApp.core.site', [
             $scope.save(configOption, parent.value);
         };
 
+        // For custom translations input
+        $scope.addTranslation = function (configOption, parent) {
+            parent.value.push({
+                original: gettextCatalog.getString('New'),
+                translation: gettextCatalog.getString('New'),
+            });
+            $scope.save(configOption, parent.value);
+        };
+        $scope.removeTranslation = function (configOption, parent, index) {
+            parent.value.splice(index, 1);
+            $scope.save(configOption, parent.value);
+        };
+
         // For majority method
         angular.forEach(
             _.filter($scope.configGroups, function (configGroup) {
@@ -1912,6 +1926,7 @@ angular.module('OpenSlidesApp.core.site', [
         gettext('PDF footer logo');
         gettext('Web interface header logo');
         gettext('PDF ballot paper logo');
+        gettext('Custom translations');
 
         // Mark the string 'Default projector' here, because it does not appear in the templates.
         gettext('Default projector');
diff --git a/openslides/core/static/templates/config-form-field.html b/openslides/core/static/templates/config-form-field.html
index 67a8cc8e4..d192c55fa 100644
--- a/openslides/core/static/templates/config-form-field.html
+++ b/openslides/core/static/templates/config-form-field.html
@@ -95,6 +95,41 @@
             ng-options="option.value as option.display_name | translate for option in choices">
     </select>
 
+    <!-- custom trnaslations -->
+    <div class="config-translations" ng-if="type === 'translations'">
+      <div ng-repeat="entry in $parent.value" class="input-group">
+        <div class="inputs">
+          <input ng-model="entry.original"
+                 ng-model-options="{debounce: 1000}"
+                 ng-change="save(configOption, $parent.value)"
+                 class="form-control"
+                 id="{{ key }}_original"
+                 type="text">
+          <span class="arrow form-control"><i class="fa fa-arrow-right"></i></span>
+          <input ng-model="entry.translation"
+                 ng-model-options="{debounce: 1000}"
+                 ng-change="save(configOption, $parent.value)"
+                 class="form-control"
+                 id="{{ key }}_translated"
+                 type="text">
+        </div>
+        <span class="input-group-btn">
+          <button type="button" class="btn btn-default"
+            ng-click="removeTranslation(configOption, $parent, $index)">
+            <i class="fa fa-minus"></i>
+            <translate>Remove</translate>
+          </button>
+        </span>
+      </div>
+      <div>
+        <button type="button" ng-click="addTranslation(configOption, $parent)"
+          class="btn btn-default btn-sm">
+          <i class="fa fa-plus"></i>
+          <translate>Add new custom translation</translate>
+        </button>
+      </div>
+    </div>
+
     <span id="success-{{ key }}" class="input-group-addon" ng-if="configOption.success !== undefined">
       <i class="fa fa-lg fa-check-circle text-success"
         ng-if="configOption.success === true"></i>