The Suzuki Gladius is a naked motorcycle introduced by Suzuki for the 2009 model year.

The bike features a new design and an upgraded engine from the SV650. With an MSRP of $6,899 the Gladius is priced between the competing $6,399 Kawasaki ER-6N (Ninja 650R) twin and the $6,990 Yamaha FZ6R inline-four. Suzuki claim the bike achieves fuel economy of 58 miles per US gallon (25 km/l).

At the Tokyo Motor Show in 2009, Suzuki announced the smaller capacity Gladius 400.