Who can register a .io domain name? Tara Kelly Updated October 18, 2016 12:25 Follow Anyone, anywhere can register a .io domain name.Registrations are accepted quickly and efficiently. Related articles How can I register a .io domain? What documents do I need for my .ie domain application? Redirect non www record to www record via .htaccess Add Hosting to a Domain What are the name requirements for eu.com domains ? Comments 0 comments Article is closed for comments.