William MacGregor Murray (April 24, 1910 — August 9, 1990) was an American engineer. He was a professor at the Massachusetts Institute of Technology and held numerous service roles in the Society for Experimental Stress Analysis (SESA) (now Society for Experimental Mechanics) including as the first President of the society from 1943 to 1944. He went by Bill Murray and died on August 9, 1990.