虎甲是昆虫纲鞘翅目步甲科虎甲亚科昆虫的统称。

虎甲虫通常有鼓出的大眼睛，长且细的腿和大的弯曲的弯下颌骨。它们的头部很大，驼背利于捕获地面上的昆虫。虎甲属和Tetracha往往色彩鲜艳，别的属通常是统一的黑色。

Tiger beetles are a large group of beetles known for their aggressive predatory habits and running speed. The fastest species of tiger beetle can run at a speed of 9 km/h (5.6 mph), or about 125 body lengths per second. As of 2005, about 2,600 species and subspecies were known, with the richest diversity in the Oriental (Indo-Malayan) region, followed by the Neotropics.