Series 2

Series 2 could refer to:


 * Apple Watch Series 2, a smart watch by Apple
 * Aston Martin Lagonda Series 2, the automobile model
 * Aston Martin V8 Series 2, the automobile model
 * BMW 2 Series, the automobile model line
 * GeForce 2 series, line of nVidia video cards
 * Scania 2-series, the truck model line
 * GP2 Series, motor racing series
 * Super2 Series, motor racing series
 * South African Class 6E1, Series 2, electric locomotive series
 * Cambrian Series 2, geological series