List of sponsors debuting in Mario Kart: Double Dash!!

This a list of the sponsors that have only appeared in Mario Kart: Double Dash!!. For the sponsors that have appeared in at least one other title, see the List of recurring sponsors in the Mario Kart series.

Express
Express is a sponsor that appears in Mario Kart: Double Dash!!. Presumably, the company is an express post delivery service. Their logo consists of the company name in a green all capitals font next to some green rectangles. A single green line appears above the company name, and two appear below it with a matching green box on them on the left hand side. A white envelope and a square brown package appear in the green box, and a P-Wing appears on the green lines to the right, with the whole logo appearing on a cream colored background. It is advertised by means of its Cargo Trucks.