On Wikipedia, a number sign, hash sign, pound sign or hashtag (#) may refer to one of the following uses:

• Number signs used in wiki markup
  • Number signs used to create ordered lists
  • Number signs used to link to a section of a page
• Due to technical restrictions, number signs are not allowed in page titles.
• Number signs' use in article writing (Manual of Style)
• Number signs used as tags in edit summaries can be searched using toolforge:hashtags

This page is a list of project pages associated with the same title or shortcut.
If an internal link led you here, you may wish to change the link to point directly to the intended page.