On my IPhone below my WiFi name says hidden network. How can I get rid of this?

You can leave it hidden if you like. Some folks like that so that prying eyes cannot see it without scanning for hidden networks. It does not provide any added security however keeps the WiFi Network hidden from amateurs. If you would like to make it visible so that devices do not need to enter the WiFi Network's name then you will have to get inside your Wi-Fi Router's settings and unhide it. If you do not know how to do that then please contact your Router's manufacturer support team OR call your Internet Service Provider and they can show you how to do that.

Axel F.