Alexander Fraser was a Scottish landscape painter who is also known as Alexander Fraser the Younger as his father, Alexander George Fraser (1786–1865), was also a Scottish painter. Fraser was the biographer of the Scottish artist, Horatio McCulloch.

Alexander Fraser was born at Woodcockdale, near Linlithgow on 3 November 1827 and was baptised on 11 January 1828 at Linlithgow. Fraser's mother was Jessie Moir. His education began in Glasgow but he had most of his schooling at Lanark Grammar School, exhibiting frequently at the Glasgow Institute of Fine Arts. From there he went on to study art at the Trustees Academy Edinburgh. By the age of thirty he was already an Associate of the Royal Scottish Academy.

He married Jane Duncan on 15 April 1859 in Edinburgh and they had a son and daughter. He died on 24 May 1899 at Musselburgh.