Index: src/wp-admin/includes/file.php
===================================================================
--- src/wp-admin/includes/file.php	(revision 44785)
+++ src/wp-admin/includes/file.php	(working copy)
@@ -36,6 +36,7 @@
 	'single.php'            => __( 'Single Post' ),
 	'page.php'              => __( 'Single Page' ),
 	'front-page.php'        => __( 'Homepage' ),
+	'privacy-policy.php'    => __( 'Privacy Policy Page' ),
 	// Attachments
 	'attachment.php'        => __( 'Attachment Template' ),
 	'image.php'             => __( 'Image Attachment Template' ),
Index: src/wp-includes/class-wp-query.php
===================================================================
--- src/wp-includes/class-wp-query.php	(revision 44785)
+++ src/wp-includes/class-wp-query.php	(working copy)
@@ -326,6 +326,14 @@
 	public $is_home = false;
 
 	/**
+	 * Signifies whether the current query is for the Privacy Policy page.
+	 *
+	 * @since 5.2.0
+	 * @var bool
+	 */
+	public $is_privacy_policy = false;
+
+	/**
 	 * Signifies whether the current query couldn't find anything.
 	 *
 	 * @since 1.5.0
@@ -463,6 +471,7 @@
 		$this->is_comment_feed      = false;
 		$this->is_trackback         = false;
 		$this->is_home              = false;
+		$this->is_privacy_policy	= false;
 		$this->is_404               = false;
 		$this->is_paged             = false;
 		$this->is_admin             = false;
@@ -998,6 +1007,10 @@
 				$this->is_home       = true;
 				$this->is_posts_page = true;
 			}
+
+			if ( isset( $this->queried_object_id ) && $this->queried_object_id == get_option( 'wp_page_for_privacy_policy' ) ) {
+				$this->is_privacy_policy = true;
+			}
 		}
 
 		if ( $qv['page_id'] ) {
@@ -1006,6 +1019,10 @@
 				$this->is_home       = true;
 				$this->is_posts_page = true;
 			}
+
+			if ( $qv['page_id'] == get_option( 'wp_page_for_privacy_policy' ) ) {
+				$this->is_privacy_policy = true;
+			}
 		}
 
 		if ( ! empty( $qv['post_type'] ) ) {
@@ -3878,6 +3895,29 @@
 	}
 
 	/**
+	 * Is the query for the Privacy Policy page?
+	 *
+	 * This is the page which shows the Privacy Policy content of your site.
+	 *
+	 * Depends on the site's "Change your Privacy Policy page" Privacy Settings 'wp_page_for_privacy_policy'.
+	 *
+	 * This function will return true only on the page you set as the "Privacy Policy page".
+	 *
+	 * @see WP_Query::is_front_page()
+	 *
+	 * @since 5.2.0
+	 *
+	 * @return bool True, if Privacy Policy page.
+	 */
+	public function is_privacy_policy() {
+		if ( get_option( 'wp_page_for_privacy_policy' ) && $this->is_page( get_option( 'wp_page_for_privacy_policy' ) ) ) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	/**
 	 * Is the query for an existing month archive?
 	 *
 	 * @since 3.1.0
Index: src/wp-includes/post-template.php
===================================================================
--- src/wp-includes/post-template.php	(revision 44785)
+++ src/wp-includes/post-template.php	(working copy)
@@ -603,6 +603,9 @@
 	if ( is_home() ) {
 		$classes[] = 'blog';
 	}
+	if ( is_privacy_policy() ) {
+		$classes[] = 'privacy-policy';
+	}
 	if ( is_archive() ) {
 		$classes[] = 'archive';
 	}
Index: src/wp-includes/query.php
===================================================================
--- src/wp-includes/query.php	(revision 44785)
+++ src/wp-includes/query.php	(working copy)
@@ -490,6 +490,36 @@
 }
 
 /**
+ * Determines whether the query is for the Privacy Policy page.
+ *
+ * The Privacy Policy page is the page that shows the Privacy Policy content of the site.
+ *
+ * is_privacy_policy() is dependent on the site's "Change your Privacy Policy page" Privacy Settings 'wp_page_for_privacy_policy'.
+ *
+ * This function will return true only on the page you set as the "Privacy Policy page".
+ *
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 5.2.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool
+ */
+function is_privacy_policy() {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_privacy_policy();
+}
+
+/**
  * Determines whether the query is for an existing month archive.
  *
  * For more information on this and similar theme functions, check out
Index: src/wp-includes/template-loader.php
===================================================================
--- src/wp-includes/template-loader.php	(revision 44785)
+++ src/wp-includes/template-loader.php	(working copy)
@@ -51,6 +51,7 @@
 	elseif ( is_search() && $template = get_search_template() ) :
 	elseif ( is_front_page() && $template = get_front_page_template() ) :
 	elseif ( is_home() && $template = get_home_template() ) :
+	elseif ( is_privacy_policy() && $template = get_privacy_policy_template() ) :
 	elseif ( is_post_type_archive() && $template = get_post_type_archive_template() ) :
 	elseif ( is_tax() && $template = get_taxonomy_template() ) :
 	elseif ( is_attachment() && $template = get_attachment_template() ) :
Index: src/wp-includes/template.php
===================================================================
--- src/wp-includes/template.php	(revision 44785)
+++ src/wp-includes/template.php	(working copy)
@@ -33,7 +33,7 @@
 	 * The last element in the array should always be the fallback template for this query type.
 	 *
 	 * Possible values for `$type` include: 'index', '404', 'archive', 'author', 'category', 'tag', 'taxonomy', 'date',
-	 * 'embed', 'home', 'frontpage', 'page', 'paged', 'search', 'single', 'singular', and 'attachment'.
+	 * 'embed', 'home', 'frontpage', 'privacypolicy', 'page', 'paged', 'search', 'single', 'singular', and 'attachment'.
 	 *
 	 * @since 4.7.0
 	 *
@@ -51,7 +51,7 @@
 	 * This hook also applies to various types of files loaded as part of the Template Hierarchy.
 	 *
 	 * Possible values for `$type` include: 'index', '404', 'archive', 'author', 'category', 'tag', 'taxonomy', 'date',
-	 * 'embed', 'home', 'frontpage', 'page', 'paged', 'search', 'single', 'singular', and 'attachment'.
+	 * 'embed', 'home', 'frontpage', 'privacypolicy', 'page', 'paged', 'search', 'single', 'singular', and 'attachment'.
 	 *
 	 * @since 1.5.0
 	 * @since 4.8.0 The `$type` and `$templates` parameters were added.
@@ -377,6 +377,24 @@
 }
 
 /**
+ * Retrieve path of Privacy Policy page template in current or parent template.
+ *
+ * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
+ * and {@see '$type_template'} dynamic hooks, where `$type` is 'privacypolicy'.
+ *
+ * @since 5.2.0
+ *
+ * @see get_query_template()
+ *
+ * @return string Full path to front page template file.
+ */
+function get_privacy_policy_template() {
+	$templates = array( 'privacy-policy.php' );
+
+	return get_query_template( 'privacy_policy', $templates );
+}
+
+/**
  * Retrieve path of page template in current or parent template.
  *
  * The hierarchy for this template looks like: