Marcus Edwy Wettenhall was an Australian politician.

Born at Carrs Plains to grazier Holford Highlord Wettenhall and Mary Burgess Dennis, he attended local state schools before attending Toorak College and Geelong College, becoming an orchardist, wheat farmer and grazier. On 27 January 1903 he married Leila Ashton Warner at Hobart, Tasmania; they had five children. He farmed at Carrs Plains from 1908 to 1923 and then moved to Melbourne

Melbourne

Melbourne is the capital and most populous city in the state of Victoria, and the second most populous city in Australia. The Melbourne City Centre is the hub of the greater metropolitan area and the Census statistical division—of which "Melbourne" is the common name. As of June 2009, the greater...

. Wettenhall held various community positions, including president of the Victorian Fruit Growers Central Association (1902), president of the Australian Fruit Growers federal conference (1902), member of the Federal Council of Woolgrowers (1926–35), chairman of the council of Agricultural Education (1938–39) and member of Melbourne University Council (1924–38). In 1920 he was elected to the Victorian Legislative Assembly

Victorian Legislative Assembly

The Victorian Legislative Assembly is the lower house of the Parliament of Victoria in Australia. Together with the Victorian Legislative Council, the upper house, it sits in Parliament House in the state capital, Melbourne.-History:...

 as the Country Party member for Lowan

Electoral district of Lowan

The Electoral district of Lowan is a rural Lower House electoral district of the Victorian Parliament. It is located within the Western Victoria Region of the Legislative Council ....

. In 1923 he was appointed a minister without portfolio, serving until 1924. He was defeated in 1935.