Ruth Martin Jefford (July 16, 1914 – January 9, 2007) was an air taxi pilot in the U.S. state of Alaska and the first woman licensed to be a flight instructor out of Merrill Field. Jefford was a violinist who became a co-founder of the Anchorage Symphony Orchestra. During World War II, she entertained at the United Service Organizations in Alaska and transported medical supplies for the Red Cross Motor Corp. She was the first woman in Alaska to receive the Wright Brothers Master Pilot Award. She was inducted into the Alaska Women's Hall of Fame in 2009.