The Adidas font is a geometric sans serif and is used on shoes, athletic apparel and marketing items.
Adidas, the shoe manufacturer, uses ITC Avant Garde Gothic Std DemiBold for their logo. The Adidas font is a commercial font and can be purchased here:
Adolf ‘Adi’ Dassler who founded Adidas originally used three straight lines as their logo. It wasn’t until much later that the logo evolved into what it is today.
The new logo was originally created by Adidas Creative Director Peter Moore in 1990 which consists of three bars which get longer.