William Kensett Styles (11 October 1874 – 8 April 1940) was an English sport shooter, who competed at the 1908 Summer Olympics and the 1912 Summer Olympics representing Great Britain.
In the 1908 Olympics he won a gold medal in the disappearing target small-bore rifle, and was 9th in the moving target small-bore rifle event. Four years later, he won a silver medal in the 25 metre team small-bore rifle event, was 13th in the 25 metre small-bore rifle event and 27th in the 50 metre rifle from the prone position event.