diff --git a/hibernate-core/src/main/java/org/hibernate/cfg/AvailableSettings.java b/hibernate-core/src/main/java/org/hibernate/cfg/AvailableSettings.java
index 4aebf8ace0..26c59f3355 100644
--- a/hibernate-core/src/main/java/org/hibernate/cfg/AvailableSettings.java
+++ b/hibernate-core/src/main/java/org/hibernate/cfg/AvailableSettings.java
@@ -736,6 +736,13 @@ public interface AvailableSettings extends org.hibernate.jpa.AvailableSettings {
 	 */
 	String USE_SQL_COMMENTS ="hibernate.use_sql_comments";
 
+	/**
+	 * Enable logging of functions registered by the
+	 * {@linkplain AvailableSettings#DIALECT configured}
+	 * SQL {@link org.hibernate.dialect.Dialect}.
+	 */
+	String SHOW_HQL_FUNCTIONS = "hibernate.dialect.show_hql_functions";
+
 	/**
 	 * Maximum depth of outer join fetching
 	 */
diff --git a/hibernate-core/src/main/java/org/hibernate/query/spi/QueryEngine.java b/hibernate-core/src/main/java/org/hibernate/query/spi/QueryEngine.java
index b90dfb2d28..2191845687 100644
--- a/hibernate-core/src/main/java/org/hibernate/query/spi/QueryEngine.java
+++ b/hibernate-core/src/main/java/org/hibernate/query/spi/QueryEngine.java
@@ -111,6 +111,17 @@ public class QueryEngine {
 		if ( userDefinedRegistry != null ) {
 			userDefinedRegistry.overlay( sqmFunctionRegistry );
 		}
+
+		final boolean showSQLFunctions = ConfigurationHelper.getBoolean(
+				AvailableSettings.SHOW_HQL_FUNCTIONS,
+				serviceRegistry.getService( ConfigurationService.class ).getSettings(),
+				false
+		);
+		if ( showSQLFunctions ) {
+			sqmFunctionRegistry.getFunctionsByName().forEach(
+					entry -> System.out.println( entry.getValue().getSignature( entry.getKey() ) )
+			);
+		}
 	}
 
 	/**