Carl Zeiss Jena
Carl Zeiss Jena stands for:
- FC Carl Zeiss Jena , a German football club
- Carl Zeiss (company) , a company in the precision mechanical and optical industry and
- Carl Zeiss Jena (Company) , a subsidiary of Carl Zeiss (Company)
- Carl Zeiss Foundation , the owner of the companies Carl Zeiss AG and Schott AG