RC4 can refer to:
- RC4 – cipher used for computer data protection
- Battle of Route Coloniale 4 – battle during the Vietnam War
- Iranian Railways RC4 – Iranian electric locomotive
- SJ Rc4 – Swedish electric locomotive
This 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.
If an internal link led you here, you may wish to change the link to point directly to the intended article.