DCV

DCV can mean:


 * 605 (DCV in Roman numerals), a common year starting on Friday of the Julian calendar
 * 605 (number), a harshad number in Roman numerals
 * Basque Christian Democracy (Democracia Cristiana Vasca), a Basque Country Christian-democratic party
 * DCV, a a generic ship prefix for deepwater construction vessels
 * Demand controlled ventilation, a feedback control method to maintain indoor air quality
 * Deutscher Caritasverband, German charity organisation and member of Caritas Europa and Caritas Internationalis
 * Directional control valve, one of the most fundamental parts of hydraulic and pneumatic systems
 * Drosophila C virus, a viral disease of the genus Cripavirus