Diet of Worms most commonly refers to the Diet of Worms of 1521 at which Martin Luther was outlawed as a heretic. It may also refer to:

Historic events

Meetings of the Imperial Diet of the Holy Roman Empire in the city of Worms, Germany, including:

• Diet of Worms (1076), an ecclesiastical synod and diet at the beginning of the Investiture Controversy
• Diet of Worms (1122), a diet producing the Concordat of Worms, an agreement between the Catholic Church and the empire ending the Investiture Controversy
• Diet of Worms (1495), a diet at which comprehensive political reforms of the empire began
• Other diets convened at Worms in the years 829, 895, 926, 1231 and 1545

Media

• Diet of Worms (comedy group), an Irish comedy and theatre group based in Dublin and London

Medicine and science

• A colloquialism for helminthic therapy, an immunotherapy for inflammatory bowel diseases by means of parasitic worms

See also

• Worms as food