William McGregor (June 24, 1836 – May 14, 1903) was a Canadian businessman and political figure.

[1] He supplied horses to the Union Army during the American Civil War.

He also owned the street railway in Windsor, a bank, a mill and a fence company.

McGregor served as reeve of Windsor for six years and as warden for Essex County from 1869 to 1870 and from 1872 to 1873.

[1] His son Gordon took over his father's wagon factory and later became the first president of the Ford Motor Company of Canada.