| A | B |
| Huckleberry Finn | narrator of the story |
| Jim | Miss Watson's runaway slave |
| Tom Sawyer | Huck's best friend |
| Pap | illiterate, drunken father |
| Miss Watson | Widow Douglas' old maid sister |
| Duke | con-man partner of the Dauphin |
| Aunt Sally | married to Silas Phelps--mistakes Huck for Tom |
| Aunt Polly | another of Huck's guardians |
| Widow Douglas | woman Huck lives with as the story begins |
| Judge Thatcher | holds Huck's money for him |
| Jo Harper, Ben Rogers, Tommy Barnes | more of Huck's friends |
| Jake Packard, Jim Turner, and Bill | men Huck trapped on a sinking boat |
| Mrs. Loftus | lady who figures out Huck is a boy |
| The Watchman | Huck fetches him to try to save Jake, Jim, and Bill |
| Old Man Grangerford | the honorable head of the Grangerford family |
| Buck Grangerford | befriends Huck and shoots a Shepherdson |
| Emmeline Grangerford | dead daughter with poor talents in literature and art |
| The Shepherdsons | the rivals of the Grangerfords |
| Boggs | the man Colonel Sherburn kills because of his drunkeness |
| Colonel Sherburn | gets away with killing Boggs by yelling at the lynch mob coming after him |
| Buck Harkness | the leader of the lynch mob |
| Mary Jane, Susan, and Joanna Wilks | the nieces of Peter Wilks |
| William, Harvey, and Peter Wilks | three brothers |
| Dr. Robinson and Levi Bell | attempt to convince the Wilks' of the Duke and Dauphin's true identities |
| Silas Phelps | Tom Sawyer's uncle who has gained possession of Jim |
| Mark Twain | author of the book |
| You and Me | Huck acknowledges the reader from time to time |
| Mississippi River | road to freedom |
| "huckleberry" | 19th C. slang for a person of no importance |