The limited-edition tipple is a boozy twist on the classic dessert and is made using flavours of apple pie, vanilla ice cream, cinnamon and spice.
Baileys Apple Pie are on sale in 70cl bottles for £22.99 and are available exclusively through The Bottle Club.
A description on the site reads: "The seasons are changing and that can only mean one thing... BRAND NEW BAILEYS and OMG they haven't disappointed with this deliciously exclusive new flavour!
"Baileys Apple Pie has taken the timeless, nostalgic dessert we all grew up loving and made it drinkable with and hint of adult fun and we couldn't be more in love.
"Grab yours now to see what all the fuss is about... trust us, you don't want to miss this one!"
Announcing the news on its Instagram account, The Bottle Club wrote: "Autumn is here and apples are on the menu. Limited Edition Baileys Apple Pie has arrived. It's limited edition and will go quickly!"
And it looks like social media users are already keen to get their hands on a bottle, with one person replying: "Ordered. Can't wait to drink it..."
Another person wrote: "OMG this is so me. Looks delicious."
While a third replied: "Imagine that with ice cream, squirty cream and toffee or caramel."
The new flavour joins a growing collection from the makers of the original Irish cream.
So if apple pie isn't tickling your fancy, there's also orange truffle, coffee, salted caramel, red velvet cupcake, strawberries and cream, chocolate luxe and even a vegan-friendly option made with almonds.
In a statement, The Bottle Club's Danielle Merry told Entertainment Daily: "There is something intrinsically comforting about the taste of apple pie and as we head into autumn, and Baileys limited-edition Apple Pie Liqueur is the ideal beverage to appreciate with the change of season.
"Like the introduction of Baileys Red Velvet Cupcake Liqueur last year, we're sure that this latest flavour will be incredibly popular, so stock up now so you can pour yourself a slice of apple pie and avoid disappointment!"