Throughout the story the theme of religion is presented many times by Huck and the supporting characters in the story. The first instance of religion being mentioned in this story is when Huck says “After supper she got out her book and learned me about Moses and the Bulrushers, and I was in a sweat to find out all about him; but by and by she let it out that Moses had been dead a considerable long time; so then I didn't care anymore about him, because I don't take no stock in dead people”(ch1). When Huck says this it shows the reader that the story is going to be at least somewhat skeptical about religion.

Huck does not think that religion is important because he only focuses on the present and not dead people. Huck also later says “Miss Watson she took me in the closet and prayed, but nothing come of it. She told me to pray every day, and whatever I asked for I would get it. But it wasn't so. I tried it. Once I got a fish-line, but no hooks. It warn't any good to me without hooks. I tried for the hooks three or four times, but somehow I couldn't make it work. By and by, one day, I asked Miss Watson to try for me, but she said I was a fool. She never told me why, and I couldn't make it out no way”(ch3). This quote shows that Huck is becoming more and more skeptical about the concept of religion. Huck is praying but he is not seeing any results which will make him more likely to not adopt religion in his life.

Mark Twain also pokes a little fun at religion when he shows how gullible and easily influenced people are by religion. The part where he describes everyone donating their money to someone who is not even in need of money is a satirical take on people blindly donating to the church in real life. Twain also describes the church session as “ And so on. You couldn't make out what the preacher said any more, on account of the shouting and crying. Folks got up everywheres in the crowd, and worked their way just by main strength to the mourners' bench, with the tears running down their faces; and when all the mourners had got up there to the front benches in a crowd, they sung and shouted and flung themselves down on the straw, just crazy and wild”(ch.20) Twain using words like “crazy” and “wild” shows that this is an exaggerated interpretation of what preachers are like and how people act in church. Religion is Huckleberry Finn is presented in a skeptical and satirical manner of what religion is in real life. Twain believes that religion is a respectable belief but should not dictate how you live your life, and this is shown through the character of Huck Finn.