Diet may refer to:

Food

• Diet (nutrition), the sum of the food consumed by an organism or group

Dieting, the deliberate selection of food to control body weight or nutrient intake

• Diet food, foods that aid in creating a diet for weight loss or gain

• Healthy diet, the process of helping to maintain or improve overall health

Politics

• Diet (assembly), a formal deliberative assembly

Current

• National Diet, Japan's bicameral legislature, in its current form since 1947, composed of the House of Representatives and the House of Councillors

• Landtag, a diet of states and provinces in Germany, Austria, South Tyrol in Italy, and the national parliament of Liechtenstein

• Bundestag (Deutscher Bundestag), the lower house of Germany's Parliament, was established in West Germany in 1949, and all of Germany in 1990

• Riksdag, the unicameral legislature of Sweden

Historical

• Diet of Finland, the legislative assembly of the Grand Duchy of Finland from 1809 to 1906

• Diet of Hungary, the legislative assembly of the Kingdom of Hungary from 15th century to 1946

• Imperial Diet (Holy Roman Empire), the imperial assembly of the princes of the Holy Roman Empire until 1806

• Federal Convention (German Confederation), or Confederate Diet (German: Bundesversammlung or Bundestag) was the only central institution of the German Confederation (1815–1848 and 1850–1866)

Reichstag

• Reichstag (German Empire) (Reichstag), the Diet of the Empire, the legislative assembly of the German Empire, 1871–1917

• Reichstag (Weimar Republic), (Reichstag), the Diet of the Weimar Republic, from 1919 to 1933

• Reichstag (Nazi Germany), (Reichstag), the Diet of Nazi Germany, from 1933 to 1945, a purely ceremonial "parliament" in a totalitarian dictatorship without elections

Television, film, or music

• "Diet", an episode of the Adult Swim animated television series, Aqua Teen Hunger Force

• The Diet (cartoon), a Beetle Bailey animated short

• "Diet", a 2020 single by Peakboy

Other uses

• DIET, an open-source middleware for high-performance computing

See also

• List of diets

• Dietsch (disambiguation), distinguishes the southern dialects in the Middle Dutch language