What font does The Guardian use? The closest font you can get for the The Guardian logo is Guardian Egyptian Headline font.
Mixing the contemporary with the traditional, the Guardian Headline Egyptian family combines stylish Continental shapes with the no-nonsense proportions of the traditional British Egyptian
Free alternative fonts for The Guardian logo:
The closest free font you can get is Merriweather Black Font.
About free fonts:
Fonts by Eben Sorkin