Ernestine Tahedl (born 1940) is a Canadian painter.
Born in Vienna, Tahedl studied at the Academy of Applied Arts Vienna, receiving her master of arts in graphic arts in 1961.
For the next two years she worked with her father, Heinrich Tahedl, on the design and execution of stained glass pieces, before her emigration to Canada.
She produced a portfolio of etchings, Circle of Energy, in 1981, and did restoration work on the church of Christ the King in Klagenfurt in 1989; otherwise she is best known for her abstract landscapes.
She has exhibited throughout Canada, the United States, and Europe both in solo shows and group exhibitions, and her work is in numerous public, private, and corporate collections.