This is a listing of the history of the World Record in the 100 breaststroke swimming event.

The first world record in the 100 metres freestyle in long course (50 metres) swimming was recognised by the International Swimming Federation in 1905.

The first record in the 100 metres for men (athletics) was recognised by the International Amateur Athletics Federation, now known as World Athletics, in 1912.

This is a history of the progression of the world record for the 200 metres freestyle swimming event.