Delete contacts on iCloud.com
You can delete a contact in Contacts on iCloud.com.
In Contacts on iCloud.com, tap the All Contacts list in the sidebar.
If you don’t see the sidebar, tap
Tap the contact you want to delete, then tap at the top of the list.
Tap Delete Contact, then tap Delete.
You can also remove a contact from a list. See Create and manage lists of contacts on iCloud.com.