Tom Sherbourne is a character from the novel "The Light Between Oceans" by M.L. Stedman. He is a World War I veteran who becomes a lighthouse keeper on a remote island off the coast of Australia. Tom is depicted as a man of strong moral principles, grappling with the complexities of right and wrong. Throughout the story, Tom's life changes dramatically when he and his wife, Isabel Sherbourne, discover a baby girl washed ashore. Their decision to raise the child, named Lucy, leads to profound consequences, exploring themes of love, loss, and the impact of choices on human lives.