I sent an invoice to the wrong client. How can I change the name to the correct client. I recorded payment and need to correct client name.

Good morning, @jandgray413. 

Welcome to the Community! 

The best way to correct the client name is to void the invoice and recorded payment, then create a new invoice and payment with the right customer name.

 If you're unsure of how to void particular transactions, here's a guide that can help: 

Void or delete transactions in QuickBooks Online

This should do the trick. If you run into any trouble along the way, don't hesitate to come back. Have a wonderful day!