OSU Login is a Single Sign On (SSO) authentication service operated by Identity and Access Management.


  • Used by most of OSU's web-based services
  • Mobile friendly for easy use on smartphones
  • Provides Single Sign On (SSO) automatically
  • Provides Duo two-step login automatically
  • Participates in the InCommon Federation for access to non-OSU resources



If you were attempting to access an application and ended up here instead, you may have been using a bookmark of the OSU Login page.  You cannot go to or bookmark the OSU Login page directly.  Please go to the application or website you want to access.  It will redirect you to the OSU Login page if needed.