Parnall was a British aircraft manufacturer that evolved from a wood-working company before the First World War to a significant designer of military and civil aircraft into the 1940s. It was based in the west of England and was originally known as George Parnall & Co. Ltd.

Parnall & Sons Ltd was a shop and ship fitting and aircraft component manufacturer in Bristol, England. The original company was set up in 1820 by William Parnall in Narrow Wine Street, initially making weights and measures, before expanding into shop keeping equipment and shop fittings.