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Welcome to HarvardKey — Harvard's Authentication System

A "single identity for life" spanning the Harvard Community, the HarvardKey authentication system enables access to a wide range of applications and services users across Harvard use every day, via a single, convenient login name and password. 

Harvard Alumni, Claim Your HarvardKey >


If your School or unit isn't yet eligible to claim HarvardKey credentials, you can continue to log in at all HarvardKey login screens using your usual credentials simply by clicking the appropriate tab at the top of the screen.

Questions about HarvardKey? Need assistance that can't be found on this site? Contact the HUIT Help Desk at 617.495.7777 or ithelp@harvard.edu

Where can I use my HarvardKey?

Want to know when to use your HarvardKey to log in to a University application or service, and when to use another login type? Get all the details here.