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.

Lakitu Park
Lakitu Park is a sponsor that appears in Mario Kart: Double Dash!!. Presumably it is a park either for or owned by Lakitus. The logo consists of the company name in an all capital white font above an arrow which curves up around the name on the right. Below the arrow is a row of white stars which gradually get fainter to the left, and a stylised cloud similar to Lakitu's. The whole logo has a light blue background. It is advertised by means of signs.