S88 may refer to: BenQ-Siemens S88, a BenQ Mobile phone Daihatsu Hijet (S88), a kei truck and microvan , a submarine of the Royal Navy ISA-88, a standard addressing batch process control Märklin s88, a model railway control system S88 Zhengzhou–Xixia Expressway, China Skykomish State Airport, in Washington, United States