Yes, you can easily change your login e-mail and name following this URL https://ahrefs.com/account/my-account :
Please, mind this will only change your Ahrefs login. If you need to update your e-mail for billing notifications or if you need it to be a different e-mail, please, contact our support team to assist you further.
Related:
- How can I update my personal particulars within Ahrefs' interface?
- How to update payment info if subscription has ceased due to failed payment?
- What kind of emails will I receive from Ahrefs and how do I change the frequency of emails or disable them?