William Henry Collins (October 26, 1878 – January 14, 1937) was a Canadian geologist. He was educated at the University of Toronto, Heidelberg University, the University of Chicago, and the University of Wisconsin–Madison. His 31-year career with the Geological Survey of Canada included 16 years as Director of the Survey. He was a Fellow of the Royal Society of Canada and served as President of the Society's geological and biological sciences section. He was also President of the Geological Society of America.