---
schema_version: "1"
id: f71e84510ccbf752fddef2cf44be7167533dd8a5bfca51a4bd9ea7cafcffc3ff
title: Component Names
collection: developer
version: current
locale: en-us
portal_url: https://docs.salesforce.com/developer/current/en-us/platform/aura-platform/guides/aura/components/components-names.md
canonical_url: https://developer.salesforce.com/docs/platform/aura-platform/guide/components-names.html
source_site: developer.salesforce.com
content_type: documentation
content_hash: f93641f77ad8924f090b5b277e1a1c604632fbf0d64fb4784697979ae66e4d84
products:
  - Lightning Aura Components Developer Guide
  - Platform Developer Content
---

# Component Names

A component name must follow the naming rules for Lightning components.

A component name must follow these naming rules:

-   Must begin with a letter
-   Must contain only alphanumeric or underscore characters
-   Must be unique in the namespace
-   Can’t include whitespace
-   Can’t end with an underscore
-   Can’t contain two consecutive underscores

**See Also**  


-   [Create Aura Components in the Developer Console](https://developer.salesforce.com/docs/platform/aura-platform/guide/components-create-devconsole.md)
-   [Component Markup](https://developer.salesforce.com/docs/platform/aura-platform/guide/components-markup.md)