Bellechasse may refer to: In Quebec, Canada: Bellechasse (Lower Canada), an electoral district 1829–1838 Bellechasse (Province of Canada), an electoral district 1841–1867 Bellechasse (electoral district), 1867–1996 Bellechasse (provincial electoral district), 1867–present Bellechasse Regional County Municipality, Quebec See also Bellechasse County (defunct by 2008) Belle Chasse, Louisiana