Allen Goodrich Shenstone, OBE, MC (July 27, 1893 – February 16, 1980) was a Canadian physicist. He earned bachelor's, master's, and Ph.D. degrees from Princeton University, as well as a Bachelor of Arts from the University of Cambridge. After a brief stint as a junior faculty member at the University of Toronto, he returned to Princeton, where he was a professor in the Department of Physics 1925–62. He chaired the department 1949–60. He worked primarily in the field of atomic spectroscopy. He was awarded the Military Cross for his service in the Royal Engineers in World War I and made an Officer of the Order of the British Empire for his work as a scientific officer in World War II.