C42

C42 or C-42 may refer to:

Vehicles

 * Alfa Romeo C42, a Swiss Formula One car
 * Douglas C-42, an American military transport aircraft
 * Ikarus C42, a German microlight aircraft
 * Neiva Regente C-42, a Brazilian military transport aircraft

Other uses

 * C42 (TV channel), a former New Zealand television channel
 * C42 road (Namibia)
 * Caldwell 42, a globular cluster
 * City 42, formerly C42, a television channel in Pakistan
 * Petrov's Defence, a chess opening