diff --git a/blog/classes/reportbuilder/datasource/blogs.php b/blog/classes/reportbuilder/datasource/blogs.php
index bbfc88071c5..ee9bbc57601 100644
--- a/blog/classes/reportbuilder/datasource/blogs.php
+++ b/blog/classes/reportbuilder/datasource/blogs.php
@@ -22,6 +22,7 @@ use lang_string;
 use core_reportbuilder\datasource;
 use core_reportbuilder\local\entities\{course, user};
 use core_blog\reportbuilder\local\entities\blog;
+use core_comment\reportbuilder\local\entities\comment;
 use core_tag\reportbuilder\local\entities\tag;
 
 /**
@@ -73,6 +74,12 @@ class blogs extends datasource {
         $this->add_entity($courseentity
             ->add_join("LEFT JOIN {course} {$coursealias} ON {$coursealias}.id = {$postalias}.courseid"));
 
+        // Join the comment entity (ensure differing alias from that used by course entity).
+        $commententity = (new comment())
+            ->set_table_alias('comments', 'bcmt');
+        $this->add_entity($commententity
+            ->add_join("LEFT JOIN {comments} bcmt ON bcmt.component = 'blog' AND bcmt.itemid = {$postalias}.id"));
+
         // Add report elements from each of the entities we added to the report.
         $this->add_all_from_entity($blogentity->get_entity_name());
 
@@ -83,6 +90,11 @@ class blogs extends datasource {
 
         $this->add_all_from_entity($userentity->get_entity_name());
         $this->add_all_from_entity($courseentity->get_entity_name());
+
+        // Add specific comment entity elements.
+        $this->add_columns_from_entity($commententity->get_entity_name(), ['content', 'timecreated']);
+        $this->add_filter($commententity->get_filter('timecreated'));
+        $this->add_condition($commententity->get_filter('timecreated'));
     }
 
     /**
diff --git a/blog/tests/reportbuilder/datasource/blogs_test.php b/blog/tests/reportbuilder/datasource/blogs_test.php
index b6b42425901..7a2ce1203d6 100644
--- a/blog/tests/reportbuilder/datasource/blogs_test.php
+++ b/blog/tests/reportbuilder/datasource/blogs_test.php
@@ -18,7 +18,9 @@ declare(strict_types=1);
 
 namespace core_blog\reportbuilder\datasource;
 
+use comment;
 use context_system;
+use context_user;
 use core_blog_generator;
 use core_collator;
 use core_reportbuilder_generator;
@@ -40,6 +42,14 @@ require_once("{$CFG->dirroot}/reportbuilder/tests/helpers.php");
  */
 class blogs_test extends core_reportbuilder_testcase {
 
+    /**
+     * Required test libraries
+     */
+    public static function setUpBeforeClass(): void {
+        global $CFG;
+        require_once("{$CFG->dirroot}/comment/lib.php");
+    }
+
     /**
      * Test default datasource
      */
@@ -90,6 +100,7 @@ class blogs_test extends core_reportbuilder_testcase {
         $this->resetAfterTest();
 
         $user = $this->getDataGenerator()->create_user();
+        $this->setUser($user);
 
         /** @var core_blog_generator $blogsgenerator */
         $blogsgenerator = $this->getDataGenerator()->get_plugin_generator('core_blog');
@@ -107,6 +118,15 @@ class blogs_test extends core_reportbuilder_testcase {
             'filename' => 'hello.txt',
         ], 'hello');
 
+        // Add a comment.
+        $comment = new comment((object) [
+            'context' => context_user::instance($user->id),
+            'component' => 'blog',
+            'area' => 'format_blog',
+            'itemid' => $blog->id,
+        ]);
+        $comment->add('Cool');
+
         // Manually update the created/modified date of the blog.
         $blog->created = 1654038000;
         $blog->lastmodified = $blog->created + HOURSECS;
@@ -124,15 +144,27 @@ class blogs_test extends core_reportbuilder_testcase {
         // Tag entity (course/user presence already checked by default columns).
         $generator->create_column(['reportid' => $report->get('id'), 'uniqueidentifier' => 'tag:name']);
 
+        // Comment entity.
+        $generator->create_column(['reportid' => $report->get('id'), 'uniqueidentifier' => 'comment:content']);
+
         $content = $this->get_custom_report_content($report->get('id'));
         $this->assertCount(1, $content);
 
-        [$body, $attachment, $publishstate, $timemodified, $tags] = array_values($content[0]);
+        [
+            $body,
+            $attachment,
+            $publishstate,
+            $timemodified,
+            $tags,
+            $comment,
+        ] = array_values($content[0]);
+
         $this->assertStringContainsString('Horses', $body);
         $this->assertStringContainsString('hello.txt', $attachment);
         $this->assertEquals('Yourself (draft)', $publishstate);
         $this->assertEquals(userdate($blog->lastmodified), $timemodified);
         $this->assertEquals('horse', $tags);
+        $this->assertEquals(format_text('Cool'), $comment);
     }
 
     /**