There are multiple ways to contest deletion depending on the process being used. You may be looking for:

• Wikipedia:Requests for undeletion, for contesting uncontroversial deletions done through the simple proposed deletion or some speedy deletion processes
• Wikipedia:Deletion review, for contesting controversial or previously discussed decisions made at the main deletion venues
• Wikipedia:Proposed deletion § Objecting, for contesting an open proposed deletion
• Wikipedia:Articles for deletion § How to contribute, for contesting an open nomination at Articles for deletion

To contest another process, you may be looking for:

• Wikipedia:Appealing a block
• Wikipedia:Closing discussions § Challenging a closure
• Wikipedia:Verifiability § Responsibility for providing citations

• Wikipedia:Contests

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.