About Ariane

Ariane Gagnon graduated from the University of Ottawa Law School (LL.L.) in 2021 and has been a member of the Quebec Bar since 2022. She began her career at a small law firm, where she handled multiple files and pleaded frequently before the courts, before joining Grey Casgrain's Montreal team. She is pursuing a graduate diploma in sports management at HEC Montréal alongside her practice. Her work focuses on criminal and penal law, youth law, constitutional law and sports law, and she has been involved in cases concerning freedom of expression and police brutality.

Practice areas

Criminal Defence

Education & credentials

Law school
University of Ottawa

Listing compiled from public sources in July 2026. Confirm Ariane Gagnon’s licence and standing in the Barreau du Québec directory ↗