Mary D. Kane (born March 10, 1962) is a Maryland attorney who was the Republican candidate for Lieutenant Governor in 2010, as the running mate of Bob Ehrlich. In October, 2011, Kane became the President and CEO of Sister Cities International. Sister Cities International was founded by President Dwight D. Eisenhower in 1956, Sister Cities International is a 501(c)(3) nonprofit, nonpartisan membership organization for individual sister cities, counties, and states across the United States.