Joseph Louis Casartelli
- occupation:
- Optician, optical & scientific instrument maker
- Nationality:
- British
Traded at 6 South John St. (1849), 20 Duke St. (1851), both Liverpool & 43 Market St. (1851-1895), Clarence St., Cheetham (1887), both Manchester, all England. Preceeded by partnership between Anthony & Joseph, suceeded by J. Casarelli & Son