| Compagnia di traghetti |
Logo & collegamento |
Caledonian MacBrayne  |
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Calypso Charters |
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Camellia Line  |
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Canby Ferry  |
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Cape Clear Ferry Service  |
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| Cape May-Lewes Ferry (CMLFerry) |
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Cape Scott Water Taxi  |
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Capo Verde Fast Ferry  |
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Captain Cook Cruises  |
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| Captain Fell's Historic Ferries |
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Caremar  |
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| Caronte & Tourist |
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| Casco Bay Lines |
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| Cassville Car Ferry |
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| Catalina Express |
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| Celtic Link |
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Cenk Group  |
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| Central Coast Ferries |
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Chaokoh Ferry  |
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| Channel Cat Water Taxi |
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| Chester–Hadlyme Ferry |
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China-Japan (ou Japan-China) International Ferry Company  |
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Christiansøfarten  |
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| Church Point Ferry |
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| Circle Line |
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| Circular Quay to Taronga Zoo Ferry |
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| City Line |
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| Clare Island Ferry Company |
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| Clipper Vacations |
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Cokaliong Shipping Lines  |
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>
Colonia Express  |
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Color Line  |
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Comarit (fin d'activités en 2012)  |
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Compagnie Corsaire  |
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| Compagnie Finistèrienne |
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| Compagnie Méridionale de Navigation |
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| Compagnie Océane |
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Compagnie Tunisienne de Navigation (Cotunav)  |
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| Compagnie Vendéenne |
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| Compagnie Yeu Continent |
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| Condor Ferries |
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Conferry  |
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| Consolini Boats |
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Conocemos Navegando  |
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| Consorzio delle Bocche |
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| Cooperativa Battellieri del Porto di Genova |
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| Coronado Ferry |
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| Corran Ferry |
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| Corsica Ferries / Sardinia Ferries |
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| Corsica Linea |
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Cotai Water Jet  |
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Cougar Line  |
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| Cromarty Ferry |
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| Cronulla and National Park Ferry Cruises |
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| Cross Sound Ferry |
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Crown Fast Cruise  |
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Cruce del Golfo  |
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| Cruise Whitsundays |
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CTM Deher  |
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| Cunda Lines |
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