H41

H41 may refer to:
 * BRAZILIAN SHIP Almirante Camara, an oceanographic research vessel
 * Cessna H-41 Seneca, an American helicopter
 * Federal Reserve Statistical Release H.4.1
 * Hanriot H.41, a French military trainer aircraft
 * HMS Ardent (H41), a Royal Navy A-class destroyer
 * HMS H41, a Royal Navy H-class submarine
 * HMS Redoubt (H41), a Royal Navy R-class destroyer