Stroll is married to Belgian-born Claire-Anne Stroll (née Callens), who runs a fashion Business called Callens. They have two children, and have residences in Geneva, Switzerland as well as on the island of Mustique, Saint Vincent and the Grenadines. Their son Lance Stroll is a racing driver who competed in the 2017 Formula One season with Williams Martini Racing. Their daughter is Chloe Stroll.