Yep. Just add more accounts in System Preferences under Internet Accounts.
Be aware that only the primary iCloud account can use certain iCloud features such as iCloud Drive, Find My Mac or Back To My Mac. You’ll be advised of this when you set up additional iCloud accounts. -- You received this message because you are subscribed to the Google Groups "MacVisionaries" group. To unsubscribe from this group and stop receiving emails from it, send an email to macvisionaries+unsubscr...@googlegroups.com. To post to this group, send email to macvisionaries@googlegroups.com. Visit this group at http://groups.google.com/group/macvisionaries. For more options, visit https://groups.google.com/d/optout.