George MacFeat Wishart FRSE FRCPG (1895–1958) was a 20th-century Scottish physiologist.
He was born in Glasgow on 18 August 1895, the son of George Wishart, a grain merchant.
He studied medicine at the University of Glasgow graduating with a BSc in 1916 and qualified with a MB ChB in 1918.
He saw brief service with the medical arm of the Royal Air Force during World War I.
In 1935, he was appointed Gardiner Professor of Physiological Chemistry at the University, succeeding Andrew Hunter.