diff --git a/hibernate-core/src/test/java/org/hibernate/orm/test/notfound/ignore/NotFoundManyToOneCountTest.java b/hibernate-core/src/test/java/org/hibernate/orm/test/notfound/ignore/NotFoundManyToOneCountTest.java
new file mode 100644
index 0000000000..4dd2ec56f0
--- /dev/null
+++ b/hibernate-core/src/test/java/org/hibernate/orm/test/notfound/ignore/NotFoundManyToOneCountTest.java
@@ -0,0 +1,152 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later
+ * See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
+ */
+package org.hibernate.orm.test.notfound.ignore;
+
+import java.util.List;
+
+import org.hibernate.annotations.NotFound;
+import org.hibernate.annotations.NotFoundAction;
+
+import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.Jira;
+import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SessionFactoryScope;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * @author Marco Belladelli
+ */
+@DomainModel( annotatedClasses = {
+		NotFoundManyToOneCountTest.MyEntity.class,
+		NotFoundManyToOneCountTest.AssociatedEntity.class
+} )
+@SessionFactory
+@Jira( "https://hibernate.atlassian.net/browse/HHH-17638" )
+public class NotFoundManyToOneCountTest {
+	@BeforeAll
+	public void setUp(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final AssociatedEntity associated1 = new AssociatedEntity( 1L, "associated_1" );
+			session.persist( associated1 );
+			session.persist( new MyEntity( 1L, associated1 ) );
+			final AssociatedEntity associated2 = new AssociatedEntity( 2L, "associated_2" );
+			session.persist( associated2 );
+			session.persist( new MyEntity( 2L, associated2 ) );
+		} );
+
+		scope.inTransaction( session -> session.createMutationQuery( "delete from AssociatedEntity where id = 1" ).executeUpdate() );
+	}
+
+	@AfterAll
+	public void tearDown(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			session.createMutationQuery( "delete from MyEntity" ).executeUpdate();
+			session.createMutationQuery( "delete from AssociatedEntity" ).executeUpdate();
+		} );
+	}
+
+	@Test
+	public void testCountQuery(SessionFactoryScope scope) {
+		final String hql = "select %s from MyEntity e";
+		final List<MyEntity> resultList = scope.fromTransaction( session -> session.createQuery( String.format(
+				hql,
+				"e"
+		), MyEntity.class ).getResultList() );
+		final Long count = scope.fromTransaction( session -> session.createQuery(
+				String.format( hql, "count(e)" ),
+				Long.class
+		).getSingleResult() );
+		assertThat( resultList ).hasSize( count.intValue() );
+		assertThat( resultList.stream().map( MyEntity::getId ) ).contains( 1L, 2L );
+	}
+
+	@Test
+	public void testCountQueryComparisonPredicate(SessionFactoryScope scope) {
+		final String hql = "select %s from MyEntity e where e.associated = :associated";
+		final AssociatedEntity associated = scope.fromTransaction( session -> session.find(
+				AssociatedEntity.class,
+				2L
+		) );
+		final List<MyEntity> resultList = scope.fromTransaction( session -> session.createQuery(
+				String.format( hql, "e" ),
+				MyEntity.class
+		).setParameter( "associated", associated ).getResultList() );
+		final Long count = scope.fromTransaction( session -> session.createQuery(
+				String.format( hql, "count(e)" ),
+				Long.class
+		).setParameter( "associated", associated ).getSingleResult() );
+		assertThat( resultList ).hasSize( count.intValue() );
+		assertThat( resultList.stream().map( MyEntity::getId ) ).contains( 2L );
+	}
+
+	@Test
+	public void testCountQueryInListPredicate(SessionFactoryScope scope) {
+		final String hql = "select %s from MyEntity e where e.associated in :associated";
+		final AssociatedEntity associated = scope.fromTransaction( session -> session.find(
+				AssociatedEntity.class,
+				2L
+		) );
+		final List<MyEntity> resultList = scope.fromTransaction( session -> session.createQuery(
+				String.format( hql, "e" ),
+				MyEntity.class
+		).setParameter( "associated", associated ).getResultList() );
+		final Long count = scope.fromTransaction( session -> session.createQuery(
+				String.format( hql, "count(e)" ),
+				Long.class
+		).setParameter( "associated", associated ).getSingleResult() );
+		assertThat( resultList ).hasSize( count.intValue() );
+		assertThat( resultList.stream().map( MyEntity::getId ) ).contains( 2L );
+	}
+
+	@Entity( name = "MyEntity" )
+	public static class MyEntity {
+		@Id
+		private Long id;
+
+		@ManyToOne
+		@NotFound( action = NotFoundAction.IGNORE )
+		@JoinColumn( name = "associated_id" )
+		private AssociatedEntity associated;
+
+		public MyEntity() {
+		}
+
+		public MyEntity(Long id, AssociatedEntity associated) {
+			this.id = id;
+			this.associated = associated;
+		}
+
+		public Long getId() {
+			return id;
+		}
+	}
+
+	@Entity( name = "AssociatedEntity" )
+	public static class AssociatedEntity {
+		@Id
+		private Long id;
+
+		private String name;
+
+		public AssociatedEntity() {
+		}
+
+		public AssociatedEntity(Long id, String name) {
+			this.id = id;
+			this.name = name;
+		}
+	}
+}