Adultery (Adultério in Portuguese) is a novel by Brazilian author Paulo Coelho.

It is the sixteenth major book by Coelho, and touches on the theme of adultery.

The reviewer in The Independent found the book shallow and full of cliché, while "the sex is aggressive and gratuitous".

[1] A woman in her thirties begins to question her seemingly perfect life: she is married to a rich and loving husband, has well-behaved children and a successful newspaper career.

But she must now conquer that impossible love and learn to face the everyday.