diff --git a/.upgradenotes/MDL-82427-2024070901230429.yml b/.upgradenotes/MDL-82427-2024070901230429.yml
new file mode 100644
index 00000000000..07ba3446eaf
--- /dev/null
+++ b/.upgradenotes/MDL-82427-2024070901230429.yml
@@ -0,0 +1,6 @@
+issueNumber: MDL-82427
+notes:
+  core_filters:
+    - message: >-
+        Added support for autoloading of filters from `\filter_filtername\filter`. The existing class names are still supported.
+      type: improved
diff --git a/filter/classes/filter_manager.php b/filter/classes/filter_manager.php
index 152f2c1349d..e0febc60507 100644
--- a/filter/classes/filter_manager.php
+++ b/filter/classes/filter_manager.php
@@ -127,6 +127,11 @@ class filter_manager {
     protected function make_filter_object($filtername, $context, $localconfig) {
         global $CFG;
 
+        $filterclass = "\\filter_{$filtername}\\text_filter";
+        if (class_exists($filterclass)) {
+            return new $filterclass($context, $localconfig);
+        }
+
         $path = $CFG->dirroot .'/filter/'. $filtername .'/filter.php';
         if (!is_readable($path)) {
             return null;
diff --git a/lib/filterlib.php b/lib/filterlib.php
index 18686c4792f..d6a84274120 100644
--- a/lib/filterlib.php
+++ b/lib/filterlib.php
@@ -70,7 +70,7 @@ function filter_get_name($filter) {
 function filter_get_all_installed() {
     $filternames = array();
     foreach (core_component::get_plugin_list('filter') as $filter => $fulldir) {
-        if (is_readable("$fulldir/filter.php")) {
+        if (class_exists("\\filter_{$filter}\\text_filter") || is_readable("$fulldir/filter.php")) {
             $filternames[$filter] = filter_get_name($filter);
         }
     }