To provide a white curable composition which gives a while cured product having high heat and light resistance and a reflective coating material using the same.

The white curable composition has (A) a compound having at least two carbon-carbon double bonds having reactivity with an SiH group in the molecule, (B) a compound containing at least two SiH groups in the molecule, (C) a hydrosilylating catalyst, and (D) a white pigment as essential components.