WikiWednesday, or Wiki Wednesday, is a term for wiki meetups which occur on Wednesdays.

• #WikiWednesday
• Wikipedia:Wikipedia Signpost/2007-10-15/News and notes

• New York City (approximately monthly series, starting April 2015)
• Bay Area WikiSalon - covering San Francisco Bay Area, meeting at Wikimedia Foundation in SF
• Portland, Oregon (See also: WikiWednesday at PortlandWiki.org and PDX.wiki.org)
• Whanganui, New Zealand (See also: Whanganui Wiki Wednesday) ^{[dead link]}
• Wikipedia:Meetup/Online/WikiWednesday – The Women's Art Register online edit-a-thon in partnership with Wikimedia Australia.

• Wikipedia:WikiWednesday at Danish Wikipedia
• WikiWednesday at Wikimedia Danmark