Thibodaux is a city located in the northwestern part of Lafourche Parish, Louisiana, in the United States. It is situated along the banks of Bayou Lafourche and serves as the parish seat for the region.
As of the 2020 census, the city had a population of 15,948. Thibodaux is recognized as a principal city within the Houma–Bayou Cane–Thibodaux metropolitan statistical area.