The Horserace Betting Levy Board (HBLB) is a UK statutory body that was established by the Betting Levy Act 1961. It is required by the Act to collect a statutory levy, known as the Horserace Betting Levy, from the horseracing business of bookmakers. It is collected from bookmakers as a percentage of the gross profit on their British horserace betting business. The majority of Levy income is expended in direct support of horseracing.

HBLB is among the most important contributors to horseracing's finances. The original intention of establishing the Levy, and therefore HBLB, was to provide a means of compensating racing for the loss of attendance that was anticipated when off-course betting shops were legalised in 1961. Today, HBLB applies Levy funds to a wide range of schemes in direct support of horseracing.

HBLB's statutory objectives are to collect the Levy from bookmakers and to apply the funds so raised to one or more of the following:

• the improvement of breeds of horses;
• the advancement or encouragement of veterinary science or veterinary education;
• the improvement of horseracing

The Levy is distributed each year in accordance with HBLB's Business Plan. Usually, around 90% of Levy income is applied to the improvement of horseracing each year although this is at the Board's discretion.