In Wikipedia, "importance" may refer to:
- Speedy deletion criteria A7, A9 and A11 discussed in the essay Wikipedia:Credible claim of significance
- How we determine if a topic has sufficient Wikipedia:Notability to merit its own article. (See also, this guideline's historical predecssor)
- Ratings of an article's importance within the scope of a WP:WikiProject.
- Long-term importance or significance, one of the considerations in determining a term's primary topic.