- Cacao
- Cacao blossom
- Cactus
- Cade
- Cake
- Calamus
- Calisson
- Camellia
- Campfire
- Camphor
- Candle wax
- Cannabis
- Caramel
- Caraway
- Cardamom
- Carnation
- Carrot
- Cashmeran (blond woods)
- Cashmere
- Cassie
- Cassis
- Castoreum
- Cayenne
- Cedar
- Cedrat
- Celery
- Cereal
- Chai spice
- Chamomile
- Champaca
- Champagne
- Chaparral
- Cherimoya
- Cherry
- Cherry blossom
- Chestnut
- Chili
- Chlorine
- Chocolate
- Choya loban
- Chrysanthemum
- Churro
- Chypre
- Cilantro
- Cinnamon
- Cinnamon bark
- Cinnamon leaf
- Cistus
- Citronella
- Citrus
- Civet
- Clary sage
- Clementine
- Clove
- Clover
- Cocoa
- Coconut
- Coffee
- Cognac
- Cola accord
- Cookie
- Cookies
- Copaiba (Copahu)
- Copal Resin
- Coriander
- Cork
- Corn
- Corn husk
- Cornflower
- Costus
- Cotton blossom
- Cotton candy
- Coumarin
- Cranberry
- Cream
- Creosote
- Crocus
- Cucumber
- Cumin
- Curry leaves
- Custard
- Cyclamen
- Cypress
