The British Gear Association (BGA) is a trade association that promotes the technical and commercial interests of manufacturers, distributors, academics and others involved in the Power Transmissions industry in the United Kingdom.

The Association speaks with authority on behalf of the industry both nationally and internationally and its ability to help companies and individuals involved in the industry is widely recognised by government, the media and industry. The Association is well-represented on British and International Standard committees and provides the Chairman of the British Standards Institution's MCE/5 Committee on Gearing.