William Mackintosh

William Mackintosh, MacIntosh, McIntosh or M'Intosh may refer to:

• Captain William Mackintosh, Irish-born British Army officer and Canadian engineer
• W. A. Mackintosh William Archibald Mackintosh, (1895–1970), Canadian academic
• William Mackintosh, Lord Kyllachy (1842–1918), Scottish advocate
• Mackintosh of Borlum (1658–1743), Scottish soldier
• William M'Intosh (1838–1931), also spelt McIntosh, Scottish physician and marine zoologist
• William MacKintosh (fur trader) (1784-1842), worked for the Hudson's Bay Company, in Rupertland

• William McIntosh (disambiguation)