diff --git a/core/modules/migrate/src/Plugin/migrate/process/Log.php b/core/modules/migrate/src/Plugin/migrate/process/Log.php
new file mode 100644
index 0000000000000000000000000000000000000000..af262ff5621308f229df56c2498328169b9a6ce8
--- /dev/null
+++ b/core/modules/migrate/src/Plugin/migrate/process/Log.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace Drupal\migrate\Plugin\migrate\process;
+
+use Drupal\migrate\MigrateExecutableInterface;
+use Drupal\migrate\ProcessPluginBase;
+use Drupal\migrate\Row;
+
+
+/**
+ * Logs values without changing them.
+ *
+ * The log plugin will log the values that are being processed by other plugins.
+ *
+ * Example:
+ * @code
+ * process:
+ *   bar:
+ *     plugin: log
+ *     source: foo
+ * @endcode
+ *
+ * @see \Drupal\migrate\Plugin\MigrateProcessInterface
+ *
+ * @MigrateProcessPlugin(
+ *   id = "log"
+ * )
+ */
+class Log extends ProcessPluginBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property) {
+    // Log the value.
+    $migrate_executable->saveMessage($value);
+
+    // Pass through the same value we received.
+    return $value;
+  }
+
+}
diff --git a/core/modules/migrate/tests/src/Kernel/Plugin/LogTest.php b/core/modules/migrate/tests/src/Kernel/Plugin/LogTest.php
new file mode 100644
index 0000000000000000000000000000000000000000..d861d6de18de9fd3ca38a6ab3bcac85a9c1ee792
--- /dev/null
+++ b/core/modules/migrate/tests/src/Kernel/Plugin/LogTest.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace Drupal\Tests\migrate\Kernel\Plugin;
+
+use Drupal\KernelTests\KernelTestBase;
+use Drupal\migrate\MigrateExecutableInterface;
+use Drupal\migrate\Row;
+
+/**
+ * Tests the Log process plugin.
+ *
+ * @group migrate
+ */
+class LogTest extends KernelTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = ['migrate'];
+
+  /**
+   * Test the Log plugin
+   */
+  public function testLog() {
+    $plugin = \Drupal::service('plugin.manager.migrate.process')
+      ->createInstance('log');
+    $executable = $this->prophesize(MigrateExecutableInterface::class)->reveal();
+    $row = new Row();
+    $log_message = "Testing the log message";
+
+    //Ensure the log is getting saved
+    $saved_message = $plugin->transform($log_message, $executable, $row, 'buffalo');
+    $this->assertSame($log_message, $saved_message);
+  }
+
+}