Select the individuals you wish to remove by pressing and holding down the Control key while selecting more than one at a time. Then go to your settings button in the lower-left corner and pick delete, or click the delete key on your keyboard.
Go to the iCloud website and sign in to your account. Open the Contacts page. Find all of the contacts you wish to eliminate and select them all at once. Click the gear icon in the bottom-left corner, then Delete after you’ve selected them all.
Open the Phone app or Contacts app on your iPhone. nap Contacts at the bottom of the screen if you’re using the Phone app. nScroll down and tap Groups in the upper left corner. uncheck all of the accounts to remove them all from your list. All of your contacts will be deleted.
A single contact: Tap the contact. To delete multiple contacts, first touch and hold the one you wish to remove, then select the others. Delete.
In a desktop web browser on a Mac, go to iCloud.com and log in with your Apple ID credentials. Open the Contacts web app by pressing and holding the Ctrl key while clicking on each person you want to remove. They should all be displayed in the panel on the right.
