diff --git a/README.md b/README.md
index 5013343..1b75a34 100644
--- a/README.md
+++ b/README.md
@@ -216,6 +216,7 @@ ocl concept update OWNER SOURCE CONCEPT_ID [--concept-class CLASS] [--datatype T
 ocl concept retire OWNER SOURCE CONCEPT_ID
 ocl concept delete OWNER SOURCE CONCEPT_ID [--yes]      # hard delete; staff only
 ocl concept name-add OWNER SOURCE CONCEPT_ID NAME --locale LOCALE
+ocl concept name-update OWNER SOURCE CONCEPT_ID NAME_UUID [--name TEXT] [--locale LOCALE] [--name-type TYPE] [--locale-preferred|--no-locale-preferred]
 ocl concept description-add OWNER SOURCE CONCEPT_ID TEXT --locale LOCALE
 ocl concept extra-set OWNER SOURCE CONCEPT_ID KEY VALUE
 ocl concept extra-del OWNER SOURCE CONCEPT_ID KEY
diff --git a/src/ocl_cli/api_client.py b/src/ocl_cli/api_client.py
index 83b3d1d..16cef7d 100644
--- a/src/ocl_cli/api_client.py
+++ b/src/ocl_cli/api_client.py
@@ -1046,6 +1046,36 @@ def add_concept_name(
             body["locale_preferred"] = True
         return self.post(endpoint, json=body)
 
+    def update_concept_name(
+        self,
+        owner: str,
+        source: str,
+        concept_id: str,
+        name_uuid: str,
+        owner_type: str = "orgs",
+        name: Optional[str] = None,
+        locale: Optional[str] = None,
+        name_type: Optional[str] = None,
+        locale_preferred: Optional[bool] = None,
+        external_id: Optional[str] = None,
+    ) -> dict:
+        """Update an existing name on a concept by UUID."""
+        self._require_auth()
+        _validate_owner_type(owner_type)
+        endpoint = f"/{owner_type}/{owner}/sources/{source}/concepts/{concept_id}/names/{name_uuid}/"
+        body: dict[str, Any] = {}
+        if name is not None:
+            body["name"] = name
+        if locale is not None:
+            body["locale"] = locale
+        if name_type is not None:
+            body["name_type"] = name_type
+        if locale_preferred is not None:
+            body["locale_preferred"] = locale_preferred
+        if external_id is not None:
+            body["external_id"] = external_id
+        return self.put(endpoint, json=body)
+
     def add_concept_description(
         self,
         owner: str,
diff --git a/src/ocl_cli/commands/concept.py b/src/ocl_cli/commands/concept.py
index c1d0ebe..514d9e0 100644
--- a/src/ocl_cli/commands/concept.py
+++ b/src/ocl_cli/commands/concept.py
@@ -313,6 +313,42 @@ def _fmt_name(d):
         handle_api_error(e)
 
 
+@concept.command("name-update")
+@click.argument("owner")
+@click.argument("source")
+@click.argument("concept_id")
+@click.argument("name_uuid")
+@click.option("--name", "name_text", help="New name text")
+@click.option("--locale", help="New locale code")
+@click.option("--name-type", help="New name type")
+@click.option("--locale-preferred/--no-locale-preferred", default=None, help="Set or clear locale preferred flag")
+@click.option("--external-id", help="External identifier")
+@click.option("--owner-type", type=click.Choice(["users", "orgs"]), default="orgs")
+@click.pass_context
+def name_update(ctx, owner, source, concept_id, name_uuid, name_text, locale, name_type,
+                locale_preferred, external_id, owner_type):
+    """Update a name on a concept. Use 'concept names --verbose' to find the name UUID."""
+    client = ctx.obj["client"]
+    if not any([name_text, locale, name_type, locale_preferred is not None, external_id]):
+        click.echo("No fields to update. Use --name, --locale, --name-type, --locale-preferred, or --external-id.", err=True)
+        sys.exit(1)
+    try:
+        result = client.update_concept_name(
+            owner, source, concept_id, name_uuid,
+            owner_type=owner_type,
+            name=name_text,
+            locale=locale,
+            name_type=name_type,
+            locale_preferred=locale_preferred,
+            external_id=external_id,
+        )
+        def _fmt_name(d):
+            return f"Updated name: {d.get('name', '')} ({d.get('locale', '')}, {d.get('name_type', '')})"
+        output_result(ctx, result, _fmt_name)
+    except APIError as e:
+        handle_api_error(e)
+
+
 @concept.command("description-add")
 @click.argument("owner")
 @click.argument("source")
diff --git a/src/ocl_cli/output.py b/src/ocl_cli/output.py
index ed425b7..6a0729b 100644
--- a/src/ocl_cli/output.py
+++ b/src/ocl_cli/output.py
@@ -517,14 +517,15 @@ def format_names_list(data: dict, verbose: bool = False) -> str:
             "preferred": "Yes" if name.get("locale_preferred") else "No",
         }
         if verbose:
+            row["uuid"] = name.get("uuid", "")
             row["external_id"] = name.get("external_id", "")
         rows.append(row)
 
     columns = ["name", "locale", "type", "preferred"]
     headers = ["Name", "Locale", "Type", "Preferred"]
     if verbose:
-        columns.append("external_id")
-        headers.append("External ID")
+        columns += ["uuid", "external_id"]
+        headers += ["UUID", "External ID"]
 
     return format_table(rows, columns, headers)