Gustav Gull (December 7, 1858 in Altstetten – June 10, 1942 in Zürich) was a Swiss architect.
He designed the Swiss National Museum for which marked a breakthrough in his architectural career.
He studied architecture at the Polytechnic of Zürich attended courses at the École des Arts Décoratifs in Geneva from 1879 to 1880.
After a trip to Italy (1883–1884), he first entered into a partnership with Conrad von Muralt, with whom he built the main post office in Lucerne, the Lavater schoolhouse in Zurich, among other things.
In 1890, he received the first commission from the city of Zurich to draw up a plan for a Swiss National Museum.