Robert John McIntosh (September 16, 1922 – March 22, 2008) was an attorney, pilot, and politician from the U.S. state of Michigan. McIntosh was born in Port Huron, Michigan and graduated from Port Huron High School in 1940. He attended Michigan State University, East Lansing from 1940 to 1944. He received a J.D. from the University of Michigan Law School in 1948, and in the same year was admitted to the bar and commenced the practice of law in Port Huron. McIntosh died in Fort Gratiot, Michigan, on March 22, 2008. He was buried at Lakeside Cemetery in Port Huron.