S Curve

S curve or S-curve may refer to:


 * S-curve (art), an S-shaped curve which serves a wide variety of compositional purposes
 * S-curve (math), a characteristic S-shaped curve of a sigmoid function
 * S-curve corset, an Edwardian corset style
 * S-Curve Records, a record company label
 * Reverse curve, or "S" curve, in civil engineering