Esther Blaikie MacKinnon (1885–1934) was a Scottish artist who was known for her paintings and engravings.
MacKinnon worked with a variety of media including paint, dry point, etchings, and black and white drawings.
Her older sister Doris Mackinnon was a zoologist; her younger sister Lilias Mackinnon was a pianist.
MacKinnon primarily worked out of her studio in Hampstead, London, and during her lifetime her engravings and paintings were exhibited widely.
[1] Her portraits of Cecil and Evelyn Sharp, are part of The National Portrait Gallery's primary collection.