The investors on the British television programme Dragon's Den are called Dragons.
The title is part of the programme's branding and reflects the format's central image: entrepreneurs enter a den to face wealthy businesspeople who may invest in their companies. A Dragon evaluates the pitch, questions the founder and can offer money in exchange for an agreed ownership stake.
The Dragons are not judges in the legal or competition-show sense. They do not award a prize solely on performance, and a contestant does not have to win a fixed contest. Each entrepreneur is trying to negotiate a private investment deal with one or more investors.
The term also appears in the name of the international format. Individual countries may use local titles or related programmes, but the British show consistently uses “Dragons” for its investor panel. The singular form is “Dragon,” while the plural used for the panel is “Dragons.”