Jo March is a fictional character from the classic novel "Little Women," written by Louisa May Alcott. She is the second oldest of the four March sisters and is known for her strong-willed, independent, and tomboyish nature. Jo aspires to be a writer and often struggles with societal expectations placed on women during the 19th century. Throughout the story, Jo's character evolves as she navigates her relationships with her family and friends, including her close bond with Laurie, the boy next door. Her journey reflects themes of ambition, love, and the importance of family, making her a relatable and enduring figure in literature.