Robert McGregor

Robert McGregor or MacGregor may refer to:


 * Robert Roy MacGregor (1671–1734), Scottish folk hero and outlaw
 * Robert MacGregor (engineer) (1873–1956), British engineer
 * Robert McGregor (Australian politician) (1853–1931), English-born Australian politician
 * Robert MacGregor (Australian politician) (1825–1883), Scottish-born Australian headmaster and politician
 * Robert McGregor (pentathlete) (born 1972), Australian modern pentathlete
 * Bob McGregor (born 1944), Scottish swimmer
 * Robert Henry McGregor (1886–1965), Canadian parliamentarian
 * Robert McGregor (painter) (1847–1922), Scottish painter
 * Robert M. McGregor (1876–1924), wholesale grocer, lumber merchant and political figure in Nova Scotia, Canada
 * Rob Roy McGregor (admiral) (1907-2000), US Navy Rear Admiral, World War II Submarine Commander