How to set Team Logo in the match To set your team logo use next commands in console:
mp_teamlogo_1 <code> mp_teamlogo_2 <code>
Team 1 is usually CT in the 1st half of the match and Team 2 is T.
Replace <code> with the code from the table below.
You can use country flags as logos as described in this guide.
Team names are set using next commands:
mp_teamname_1 <name> mp_teamname_2 <name>
Custom Logos on your local PC
You can add your own logos in game and these will be displayed whenever you set mp_teamlogo_1 or mp_teamlogo_2 to your image file name.
The logo will also be displayed to everyone who added the same file in their own game directory.
To do that, you'll need to open CS:GO folder then open csgo/materials/panorama/images folder: