HarvardKey is Harvard University's unified online user credential, uniquely identifying you to Harvard IT applications and services to grant you access to the resources you use every day. 

For additional help visit the HarvardKey Help page or contact the HUIT Service Desk at 617-496-9001.

Harvard University ID (HUID)

All Harvard staff, faculty, and students are issued a Harvard ID number which corresponds to the first eight digits of your Harvard ID badge. If you have any questions related to your Harvard ID number, contact the appropriate resource below.

HMS Human Resources HMS and HSDM (staff and faculty)


HMS Students’ Registrar Office

617-432-1515 | registrar@hms.harvard.edu

HSDM Students’ Registrar Office


School of Public Health Human Resources

617-432-1045 | sphhr@hsph.harvard.edu

HSPH Students’ Registrar

617-432-1032 | registrar@hsph.harvard.edu