At the 1912 Summer Olympics, nine swimming events were contested.
[1] Swimming events were held in a 100 m course built in Stockholm harbor.
For the first time, women's events were part of the Olympic swimming program.
There was a total of 120 participants from 17 countries competing.
A total of 120 swimmers (93 men and 27 women) from 17 nations (men from 17 nations - women from 8 nations) competed at the Stockholm Games: