As part of a row over pensions, they wil take industrial action on August 6th, 7th and 8th.
The company, which is owned by Stagecoach, said that the public will be "shocked and angry" that strikes are being planned at this time.
East Midlands Trains says it will aim to provide as many seats as possible for people travelling to the Olympic Games.
Communications have broken down between East Midlands Trains and ASLEF, as the union confirms train-drivers will strike during the Olympics
Train drivers are staging three days of strikes during the Olympics in a row over pensions.