C28

C28 or C-28 may refer to:

Vehicles

 * Cessna C-28, an American military transport aircraft
 * HMS C28, a C-class submarine of the Royal Navy
 * Sikorsky C-28, an amphibious aircraft bought by the United States Army Air Corps

Other uses

 * C28 road (Namibia)
 * Caldwell 28, an open cluster
 * Fighting Internet and Wireless Spam Act, an Act of the Parliament of Canada introduced as Bill C-28
 * C28 Music, an experimental electronic music artist