There are lots of nice looking fonts, and many of them is used by companies, music groups, movies, media and so on. But some fonts are more famous than others. The Coca Cola font is probably one of the most famous fonts worldwide.
But there are lots of other famous fonts you can download for free. How about the Bon Jovi font, The Beatles font? Or how about the CNN font? You can download all these famous fonts free on FontDaddy.com.
You can use these fonts for many purposes, if you are planning on using these fonts for commercial purposes you will have to either apply for a permit or pay a license fee.