Alexander MacLeod, Alexander Macleod or Alexander McLeod may refer to:

• Alexander Macleod (MP) (c. 1715 – 1790), British politician
• Alexander Roderick McLeod (c. 1782–1840), Canadian fur trader and explorer
• Alexander McLeod (1796–1871), Canadian citizen accused and tried in New York of instigating the Caroline affair
• Alexander McLeod (1832–1902), founding member of the Royal Arsenal Co-operative Society
• Alexander McLeod (1872–1938), New Zealand politician
• Alexander Samuel MacLeod (1888–1956), Canadian-born painter
• Alexander Albert MacLeod (1902-1970), Canadian pacifist and YMCA secretary
• Alexander MacLeod (writer) (1972- ), Canadian short story writer and university professor
• Alexander Macleod (footballer), played in 2010–11 Elgin City F.C. season