Franz Gertsch (born 8 March 1930) is a Swiss painter known for his large format hyperrealistic portraits.
Gertsch was born 1930 in Mörigen, Switzerland. Between 1947 and 1952 he studied with Max von Mühlenen and Hans Schwarzenbach in Bern. In 1972, he took part in the documenta 5 in Kassel with his painting "Medici". He is known for his realistic paintings and woodcuts.