The Shadow-Line: A Confession is a novella by Joseph Conrad, first published in 1917. It is a psychological and symbolic tale that marks the transition from youth to adulthood, particularly in the context of responsibility and leadership. The story is often seen as semi-autobiographical, drawing on Conrad's own experiences as a young sea captain.

The Shadow-Line is a powerful meditation on the universal theme of crossing the threshold from youth into adulthood. Joseph Conrad masterfully blends adventure, psychological depth, and symbolism to create a story that captures the uncertainty, fear, and eventual triumph that accompanies the assumption of responsibility. The novella is often seen as a reflection of Conrad's own struggles with leadership and duty during his early years as a sea captain.