G. H. S. Harding (1873-1952) was a photographer and author. He is recognized as a pictorial photographer and was secretary-treasurer of Pictorial Photographic Society of San Francisco in the 1920s. The Society was part of an international pictorialism movement, which sought to elevate photography to the status of art by incorporating painterly qualities. Alfred Stieglitz and F. Holland Day led the group.

Harding was included the in the Second Annual Exhibition of Pictorial Photography mounted at the San Francisco Museum of Art, Palace of Fine Arts, between 31 August and 7 October 1923. This was an international exhibition that also included the work of pictorialists from England, Scotland, Holland, Norway, Belgium, Germany, Austria, Canada, China and Australia.

The pictorial photography of G. H. S. Harding is represented in the permanent collection of the Getty Museum, California.