Huckleberry Finn, also known as Huck Finn, is a novel by Mark Twain published in December 1884. It is acclaimed as one of the greatest American novels and among the first to be written in the vernacular, employing a distinct regional dialect.

Narrated by Huckleberry "Huck" Finn, a close friend of Tom Sawyer and a recurring character in Twain's books, the story vividly portrays the people and places along the Mississippi River. It serves as a critique of pre-Civil War Southern American society, particularly addressing racial discrimination.

The depiction of Huck and his companion Jim, an escaped slave, on their journey down the Mississippi River on a raft is symbolic of freedom and escape from slavery, a common theme in American literature.

Since its release, the novel has experienced both fame and scrutiny, with some critiques focusing on the language and racial portrayals. It is a sequel to Twain's "The Adventures of Tom Sawyer."