Charles Alfred Jeffreys (7 December 1877 – 18 October 1917) was a South African sport shooter who competed in the 1912 Summer Olympics.
In the 1912 Summer Olympics he participated in the following events:
Team military rifle – fourth place
300 metre military rifle, three positions – 34th place
600 metre free rifle – 42nd place
300 metre free rifle, three positions – 70th place