Category:Wikimedia official logos

™ Wikimedia Foundation, Inc. This file is (or includes) one or more of the official logos or designs used by the Wikimedia Foundation or by one of its projects. Use of the Wikimedia logos and trademarks is subject to the Wikimedia trademark policy and visual identity guidelines, and may require permission. This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

However, copyfraud is common - also within Wikimedia. See Commons:Village_pump/Archive/2011/04#Relicense_of_Wikimedia_logos. Some very simple logos may be not eligible for copyright but being tagged as if.