Helen Galloway McNicoll (1879-1915) was a Canadian impressionist painter. She was one of the most notable female artists in Canada in the early twentieth century and achieved considerable internal success during her decade-long career.
She played an important role in popularizing Impressionism in Canada at a time when it was still relatively unknown.
McNicoll was born in Toronto to an affluent family. Her parents were David McNicoll and Emily Pashley.