Augustin Viard (born 1984) is a professional French ondes Martenot player.
His work includes performances with international symphonic orchestras, chamber music ensembles and solo concerts. His contributions as a player and composer are regularly aired on Radio France programmes, and his recordings include collaborations with Nick Cave and the Bad Seeds, Rob Simonsen, Evgueni Galperine and the soundtrack of the award-winning movie Loveless.
Augustin Viard is listed as one of the rare contemporary ondists and owns several original instruments made by Maurice Martenot.