* Scout Finch: The narrator of the story, Scout is a curious and intelligent young girl who learns important lessons about justice, prejudice, and the complexities of human nature.
* Jem Finch: Scout's older brother, Jem is brave and adventurous, often acting as Scout's protector and confidante. He is also a strong sense of morality and a desire to do what is right.
* Dill Harris: Jem and Scout's summer friend, Dill is imaginative and full of mischief. He has a fascination with Boo Radley, a reclusive neighbor who becomes a source of mystery and intrigue for the children.
* Walter Cunningham Jr.: Scout's classmate, Walter is from a poor family and often the target of teasing. He is a kind and gentle boy who eventually learns to stand up for himself.
* Mayella Ewell: A young white woman from a poor family who accuses Tom Robinson of assault. Mayella is isolated and lonely, and she is used as a pawn by her father, Bob Ewell, in his attempt to perpetuate the racial prejudice that exists in Maycomb.
* The Ewell Children: Bob Ewell's children, including Mayella, are portrayed as poor and uneducated. They are often unruly and prone to causing trouble.
* Boo Radley: A recluse who is the subject of many rumors and superstitions in Maycomb. Boo, despite his withdrawn nature, turns out to be a courageous and compassionate person who ultimately saves Jem and Scout from danger.
These children represent different perspectives on the events and themes of To Kill a Mockingbird. Through their experiences, Lee explores issues such as childhood innocence, racial injustice, social class, and the importance of compassion and understanding.