The Honourable Sir William Macarthur was an Australian botanist and vigneron. He was one of the most active and influential horticulturists in Australia in the mid-to-late 19th century. Among the first viticulturists in Australia, Macarthur was a medal-winning wine-maker, as well as a respected amateur botanist and noted plant breeder.
- Occupation
- horticulturist, winegrower, botanist, politician
- Position held
- Member of the New South Wales Legislative Council, Member of the New South Wales Legislative Council, Member of the New South Wales Legislative Council
- Citizenship
- Australia, United Kingdom of Great Britain and Ireland
- Born
- December 1800
