A high-volume low-speed fan is a type of mechanical fan greater than in diameter.

Low-speed pre-ignition, also known as stochastic pre-ignition, is a pre-ignition event that occurs in gasoline vehicle engines when there is a premature ignition of the main fuel charge.

In the United States and Canada, low-speed vehicle regulations allow relaxed design and registration laws for four-wheel vehicles that have a maximum capable speed of about .