You can add {% data variables.product.prodname_dotcom %} logos to your website or third-party application in some scenarios. For more information and specific guidelines on logo usage, see the {% data variables.product.prodname_dotcom %} Logos and Usage page.

You can also use an octocat as your personal avatar or on your website to link to your {% data variables.product.prodname_dotcom %} account, but not for your company or a product you're building. {% data variables.product.prodname_dotcom %} has an extensive collection of octocats in the Octodex. For more information on using the octocats from the Octodex, see the Octodex FAQ.