Noëlle Roger, the pen name of Hélène Pittard (25 September 1874 – 5 October 1953), was a Swiss author writing in French.

Her maternal grandfather was Henri Bordier [fr], a French historian.

In her youth, she showed talent for both poetry and painting, eventually choosing to focus on writing.

Her travels with her husband to various places inspired: During World War I, she trained as a nurse and looked after wounded French soldiers at a hospital in Lyon.

She published some novels inspired by her experiences during the war and then produced a number of works of speculative fiction including: She also produced biographies of Jean-Jacques Rousseau, Germaine de Staël and Henry Dunant, as well as plays for the theatre and for radio.