Willer Express is a major highway bus company operating in Japan since 1994 with routes spanning almost the entire country, from Aomori Prefecture at the northern tip of the main island Honshu to the southern island Kyushu. Annual sales are approximately $120 million/year, with both domestic passengers and foreigners served through direct sales, a website, as well as the "Japan Bus Pass" and a double-decker tour bus route. Pricing on routes depends on day/time of travel, with significant variation between peak and off-peak travel.
Willer Express is a subsidiary of the Willer Group, the company which owns Willer Alliance Inc. and Willer Express Japan Inc. As of April 2012, Willer Express employed a total of 38 people. The company's President is Shigetaka Murase. It has offices in Osaka and Tokyo.
Willer (German: Weiler) is a commune in the Haut-Rhin department in Alsace in north-eastern France.