How do you delete a single contact from a list? - Online Help | Zoho Campaigns

How do you delete a single contact from a list?

Step 1: Navigate to the Contacts module.

Step 2: Select Manage Lists and open the desired list by clicking it.

Step 3: Click the Contacts tab in the list to access the list of contacts.

Step 4: Search for the contact you want to delete using the search icon present at the far-right. 
Step 5: Select this contact by clicking the checkbox present to the left to their email address.
Step 6: Click More Actions button that appears at the top and choose Delete.
Step 7: Click Go Ahead in the pop-up that appears. 

If you follow these steps, the contact will not only get deleted from this list but also from your Zoho Campaigns organization.