Coca-Cola, an internationally marketed soft drink (includes company, and various subtopics). Originally contained coca, hence the name.

Coca tea, a beverage made with coca

Fat Joe, who uses Coca as a nickname.

Coca, a town in Segovia, Spain

Imogene Coca, 1908-2001 comic actress

Coca Indians, an indigenous people of the Mexican state of Jalisco

Vin Mariani, an revival of the original Vin Mariani

Cocawine, wine made with coca

Coca Sek, a short-lived carbonated drink from Colombia that contained coca.

Coca de Alba, a town in Salamanca, Spain

Eugen Coca, Moldovian composer and violinist

Commission on Osteopathic College Accreditation, abbreviated "COCA"

Coca River, a river in Ecuador

The Coca plant (Erythroxylon coca), from which comes cocaine.

Coca eradication, a controversial part of the United States' War on Drugs policy

El Coca, a city in Ecuador