Oswald Tanchot (born 7 August 1973) is a French professional football manager and former player He was most recently the head coach of Ligue 2 club Grenoble.

Tanchot started his career with Laval, and played 12 Ligue 2 matches for the club in the 1994–95 season.

In 2005, Tanchot was appointed manager of Division d'Honneur side La Vitréenne and led the team to promotion in his first season.

He remained with La Vitréenne until July 2011 when he was hired as the new manager of Le Poiré-sur-Vie, replacing Alain Ferrand.

Following Bob Bradley's departure to Swansea City Tanchot was named new manager of Le Havre.