CD-4 or CD4 may refer to:
- CD4, a cell surface molecule present on leukocytes
- CD4 cells, a type of T cell
- Color Developing Agent 4, a developing agent for color film
- Compatible Discrete 4, a quadraphonic phonograph record format developed by JVC
- Ford CD4 platform
Topics referred to by the same termThis disambiguation page lists articles associated with the same title formed as a letter–number combination.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: