The International Medieval Congress (IMC) is organised and administered by the Institute for Medieval Studies (IMS) at the University of Leeds. Since its start in 1994, the Congress has established itself as an annual event with an attendance of over 2,000 medievalists from all over the world. It is the largest conference of its kind in Europe.

Drawing medievalists from over 50 countries, with over 1,800 individual papers and 650 academic sessions and a wide range of concerts, performances, readings, round tables, excursions, bookfair and associated events, the Leeds International Medieval Congress is Europe's largest annual gathering in the humanities.

The twenty-fifth International Medieval Congress will take place in Leeds From July 2–5, 2018. The thematic strand for 2018 is “Memory.”