diff --git a/blog/classes/reportbuilder/datasource/blogs.php b/blog/classes/reportbuilder/datasource/blogs.php
index 7855746d7cb..f776bbf6fba 100644
--- a/blog/classes/reportbuilder/datasource/blogs.php
+++ b/blog/classes/reportbuilder/datasource/blogs.php
@@ -76,10 +76,11 @@ class blogs extends datasource {
             ->add_joins($blogentity->get_tag_joins()));
 
         // Join the user entity to represent the blog author.
-        $userentity = new user();
-        $useralias = $userentity->get_table_alias('user');
-        $this->add_entity($userentity
-            ->add_join("LEFT JOIN {user} {$useralias} ON {$useralias}.id = {$postalias}.userid"));
+        $authorentity = (new user())
+            ->set_entity_title(new lang_string('author', 'core_blog'));
+        $authoralias = $authorentity->get_table_alias('user');
+        $this->add_entity($authorentity
+            ->add_join("LEFT JOIN {user} {$authoralias} ON {$authoralias}.id = {$postalias}.userid"));
 
         // Join the course entity for course blogs.
         $courseentity = new course();
@@ -93,6 +94,18 @@ class blogs extends datasource {
         $this->add_entity($commententity
             ->add_join("LEFT JOIN {comments} bcmt ON bcmt.component = 'blog' AND bcmt.itemid = {$postalias}.id"));
 
+        // Join the user entity to represent the comment author. Override table aliases to avoid clash with first instance.
+        $commenterentity = (new user())
+            ->set_entity_name('commenter')
+            ->set_entity_title(new lang_string('commenter', 'core_comment'))
+            ->set_table_aliases([
+                'user' => 'cu',
+                'context' => 'cuctx',
+            ]);
+        $this->add_entity($commenterentity
+            ->add_joins($commententity->get_joins())
+            ->add_join("LEFT JOIN {user} cu ON cu.id = bcmt.userid"));
+
         // Add report elements from each of the entities we added to the report.
         $this->add_all_from_entity($blogentity->get_entity_name());
 
@@ -105,13 +118,15 @@ class blogs extends datasource {
         $this->add_filter($tagentity->get_filter('name'));
         $this->add_condition($tagentity->get_condition('name'));
 
-        $this->add_all_from_entity($userentity->get_entity_name());
+        $this->add_all_from_entity($authorentity->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'));
+
+        $this->add_all_from_entity($commenterentity->get_entity_name());
     }
 
     /**
diff --git a/blog/tests/reportbuilder/datasource/blogs_test.php b/blog/tests/reportbuilder/datasource/blogs_test.php
index 7dccd6355e2..bfad0a2c662 100644
--- a/blog/tests/reportbuilder/datasource/blogs_test.php
+++ b/blog/tests/reportbuilder/datasource/blogs_test.php
@@ -143,6 +143,9 @@ class blogs_test extends core_reportbuilder_testcase {
         // Comment entity.
         $generator->create_column(['reportid' => $report->get('id'), 'uniqueidentifier' => 'comment:content']);
 
+        // Commenter entity.
+        $generator->create_column(['reportid' => $report->get('id'), 'uniqueidentifier' => 'commenter:fullname']);
+
         $content = $this->get_custom_report_content($report->get('id'));
         $this->assertCount(1, $content);
 
@@ -154,6 +157,7 @@ class blogs_test extends core_reportbuilder_testcase {
             $tags,
             $filesize,
             $comment,
+            $commenter,
         ] = array_values($content[0]);
 
         $this->assertStringContainsString('Horses', $body);
@@ -163,6 +167,7 @@ class blogs_test extends core_reportbuilder_testcase {
         $this->assertEquals('horse', $tags);
         $this->assertEquals("5\xc2\xa0bytes", $filesize);
         $this->assertEquals(format_text('Cool'), $comment);
+        $this->assertEquals(fullname($user), $commenter);
     }
 
     /**
diff --git a/lang/en/blog.php b/lang/en/blog.php
index 2e6d538e608..8921aa86f62 100644
--- a/lang/en/blog.php
+++ b/lang/en/blog.php
@@ -31,6 +31,7 @@ $string['associatewithmodule'] = 'Blog about {$a->modtype}: {$a->modname}';
 $string['association'] = 'Association';
 $string['associations'] = 'Associations';
 $string['associationunviewable'] = 'This entry cannot be viewed by others until a course is associated with it or the \'Publish to\' field is changed';
+$string['author'] = 'Author';
 $string['autotags'] = 'Add these tags';
 $string['autotags_help'] = 'Enter one or more local tags (separated by commas) that you want to automatically add to each blog entry copied from the external blog into your local blog.';
 $string['backupblogshelp'] = 'If enabled then blogs will be included in SITE automated backups';
diff --git a/lang/en/comment.php b/lang/en/comment.php
index 0af21f7a134..c98df7d1e0b 100644
--- a/lang/en/comment.php
+++ b/lang/en/comment.php
@@ -23,6 +23,7 @@
  */
 
 $string['comment'] = 'Comment';
+$string['commenter'] = 'Commenter';
 $string['comments'] = 'Comments';
 $string['commentsubcontext'] = 'Comments';
 $string['privacy:metadata:comment'] = 'Stores comments of users.';