FWIW I was at an AA meeting last night.
In 90 minutes, the name "Jesus" was mentioned once - and that was by me, when I was doing the "chair" (the keynote speech, if you prefer) in the context of, "I don't believe in Jesus."
I can't say how many other people there didn't believe in Jesus - but I had no negative comeback for saying it.
As i've said elsewhere, the only thing you need to understand about God is it isn't you.
This holds just as good for atheists and agnostics as it does for believers - the premise that there is no God should not be taken to imply that you are in absolute control of everything in your life, because clearly you are not. If you believe you are, put it to the test next time you have diahrroea.
As such, you are going to learn a bit of acceptance if you are to beat drink and still live in the real world. Things are going to fuck up, people are going to die, you are going to have bad days, and drink will be on every street corner, just waiting for you. If you cannot accept these things and adapt yourself to them; if you cannot see that you have problems in your life beyond drink and that the world is not going to be perfect just because you stop caning strong lager; and if you cannot believe that the ideal is for you to live instead of die; then you are not going to last beyond the first broken shoelace.
There you go - that is the sum total of the religion you are required to find in your heart. Think you can manage it?
Of course, AA is full of Irish and therefore full of Catholics, so don't be surprised if you meet a few believers along the way (just as you would in the pub) - but no one is making you join them at Mass, just encouraging you to join them in an AA meeting.