An auto rickshaw (also known as a tuk-tuk or auto) is a motorized development of the traditional pulled rickshaw or cycle rickshaw. Most have three wheels and do not tilt.

The auto rickshaw is a common form of urban transport, both as a vehicle for hire and for private use, in many countries around the world, especially those with tropical or subtropical climates, including many developing countries. Bajaj Auto of Pune, India is the world's largest auto rickshaw manufacturer.