Samuel C. Grashio (died 1999) was a United States Army Air Forces pilot who was captured by the Japanese in World War II. He survived the Bataan Death March and participated in the only successful mass escape from a Japanese prison camp. Grashio was born and raised in Spokane, Washington. He enlisted in the Army Air Corps in September 1940. After training, he was sent to the Philippines, arriving in Manila on November 20, 1941, to join the 24th Pursuit Group's 21st Pursuit Squadron as a second lieutenant. He died in 1999. He was survived by his wife Devonia and at least one son, Sam.