K5 can mean either:

  • An abbreviation for Kuro5hin - a community discussion web site
  • The name of a CPU chip AMD K5 released by AMD in the 1990's.

This is a disambiguation page; that is, one that just points to other pages that might otherwise have the same name. If you followed a link here, you might want to go back and fix the link, so that it points to the appropriate page.