diff --git a/src/spdx_tools/spdx/validation/package_validator.py b/src/spdx_tools/spdx/validation/package_validator.py
index 25cd6147f..0d7e75f2a 100644
--- a/src/spdx_tools/spdx/validation/package_validator.py
+++ b/src/spdx_tools/spdx/validation/package_validator.py
@@ -111,6 +111,9 @@ def validate_package(
             spdx_id=package.spdx_id, element_type=SpdxElementType.PACKAGE, full_element=package
         )
 
+    if package.name is None or not str(package.name).strip():
+        validation_messages.append(ValidationMessage("package name is mandatory and cannot be empty", context))
+
     download_location = package.download_location
     if isinstance(download_location, str):
         for message in validate_download_location(download_location):
diff --git a/tests/spdx/validation/test_package_validator.py b/tests/spdx/validation/test_package_validator.py
index d0516fff2..0203df94d 100644
--- a/tests/spdx/validation/test_package_validator.py
+++ b/tests/spdx/validation/test_package_validator.py
@@ -154,3 +154,15 @@ def test_v2_2mandatory_fields():
     expected = [ValidationMessage(f"{field} is mandatory in SPDX-2.2", context) for field in mandatory_fields]
 
     TestCase().assertCountEqual(validation_messages, expected)
+
+
+@pytest.mark.parametrize("invalid_name", ["", "   ", "\t\n"])
+def test_invalid_package_name(invalid_name):
+    package = package_fixture(name=invalid_name)
+    validation_messages = validate_package(package, "SPDX-2.3")
+
+    context = ValidationContext(spdx_id=package.spdx_id, element_type=SpdxElementType.PACKAGE, full_element=package)
+    expected = [ValidationMessage("package name is mandatory and cannot be empty", context)]
+
+    assert validation_messages == expected
+