John Albion Andrew was an American lawyer and politician from Massachusetts. He was elected in 1860 as the 25th Governor of Massachusetts, serving between 1861 and 1866, and led the state's contributions to the Union cause during the American Civil War (1861–1865). He was a guiding force behind the creation of some of the first African-American units in the United States Army, including the 54th Massachusetts Infantry. He belonged to the Whig, Free Soil, and Republican parties during his career.

The governor of the Commonwealth of Massachusetts is the chief executive officer of the government of Massachusetts. The governor is the head of the state cabinet and the commander-in-chief of the commonwealth's military forces.