Yes you can!
By using @font-face.
Read more here: http://code.google.com/intl/da/apis/webfonts/docs/getting_started.html
here are a lot of fonts: http://www.fontsquirrel.com/fontface
Article in Danish: http://henrikaudiandersen.dk/vaelg-en-hvilken-som-helst-skrifttype-til-din-hjemmeside