diff --git a/src/ifcopenshell-python/ifcopenshell/api/owner/__init__.py b/src/ifcopenshell-python/ifcopenshell/api/owner/__init__.py
index 063dc84151..fa9b693073 100644
--- a/src/ifcopenshell-python/ifcopenshell/api/owner/__init__.py
+++ b/src/ifcopenshell-python/ifcopenshell/api/owner/__init__.py
@@ -36,6 +36,7 @@ from .assign_actor import assign_actor
 from .create_owner_history import create_owner_history
 from .edit_actor import edit_actor
 from .edit_address import edit_address
+from .edit_application import edit_application
 from .edit_organisation import edit_organisation
 from .edit_person import edit_person
 from .edit_role import edit_role
@@ -63,6 +64,7 @@ __all__ = [
     "create_owner_history",
     "edit_actor",
     "edit_address",
+    "edit_application",
     "edit_organisation",
     "edit_person",
     "edit_role",
diff --git a/src/ifcopenshell-python/ifcopenshell/api/owner/edit_application.py b/src/ifcopenshell-python/ifcopenshell/api/owner/edit_application.py
new file mode 100644
index 0000000000..3224169ff2
--- /dev/null
+++ b/src/ifcopenshell-python/ifcopenshell/api/owner/edit_application.py
@@ -0,0 +1,44 @@
+# IfcOpenShell - IFC toolkit and geometry engine
+# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of IfcOpenShell.
+#
+# IfcOpenShell is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# IfcOpenShell is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
+import ifcopenshell
+from typing import Any
+
+
+def edit_application(
+    file: ifcopenshell.file, application: ifcopenshell.entity_instance, attributes: dict[str, Any]
+) -> None:
+    """Edits the attributes of an IfcApplication
+
+    For more information about the attributes and data types of an
+    IfcApplication, consult the IFC documentation.
+
+    :param application: The IfcApplication entity you want to edit
+    :param attributes: a dictionary of attribute names and values.
+    :return: None
+
+    Example:
+
+    .. code:: python
+
+        application = ifcopenshell.api.owner.add_application(model,
+            application_full_name="My App")
+        ifcopenshell.api.owner.edit_application(model, application=application,
+            attributes={"ApplicationFullName": "My App New Name"})
+    """
+    for name, value in attributes.items():
+        setattr(application, name, value)
diff --git a/src/ifcopenshell-python/test/api/owner/test_edit_application.py b/src/ifcopenshell-python/test/api/owner/test_edit_application.py
new file mode 100644
index 0000000000..4a88e8631b
--- /dev/null
+++ b/src/ifcopenshell-python/test/api/owner/test_edit_application.py
@@ -0,0 +1,47 @@
+# IfcOpenShell - IFC toolkit and geometry engine
+# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of IfcOpenShell.
+#
+# IfcOpenShell is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# IfcOpenShell is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
+
+import test.bootstrap
+import ifcopenshell.api.owner
+
+
+class TestEditApplication(test.bootstrap.IFC4):
+    def test_editing_a_application(self):
+        application = self.file.create_entity("IfcApplication")
+        organization = self.file.create_entity("IfcOrganization")
+        attributes = {
+            "ApplicationDeveloper": organization,
+            "Version": "v001",
+            "ApplicationFullName": "App Name",
+            "ApplicationIdentifier": "App Name",
+        }
+        ifcopenshell.api.owner.edit_application(
+            self.file,
+            application=application,
+            attributes=attributes,
+        )
+        for attr, value in attributes.items():
+            assert getattr(application, attr) == value
+
+
+class TestEditApplicationIFC2X3(test.bootstrap.IFC2X3, TestEditApplication):
+    pass
+
+
+class TestEditApplicationIFC4X3(test.bootstrap.IFC4X3, TestEditApplication):
+    pass