Sure. You have to be comfortable with jailbreaking and rooting and using Android tools, so maybe don’t try this at home but here’s how:
http://lifehacker.com/5693309/how-to-install-android-on-an-iphone-in-six-easy-steps
[You have to be comfortable with jailbreaking and rooting and using Android tools...]
And as Pash says in the article, you have to be a little bored too if you really want to go through with it. :)