Casson Ferguson (May 29, 1891 – February 12, 1929) was an American film actor of the silent era.

His father was John J. Ferguson, a jeweler in Alexandria, Louisiana.

Early in his career Casson was a member of the Mantel Shakespeare Players in New Orleans before moving to California to pursue a movie career, first with the Selig Company, then as a leading man.

In 1928 he toured Europe and performed as a singer and actor in London and Paris.

Returning to California, he married Catherine Mallon.