Cullinan

Cullinan may refer to:


 * Cullinan (surname), a surname
 * Rolls-Royce Cullinan, an ultra-luxury SUV produced by Rolls-Royce Motor Cars
 * Cullinan, Gauteng, a small town in South Africa
 * Cullinan Diamond, the largest rough gem-quality diamond ever found
 * Cullinan Finance, an SIV (structured investment vehicle) run by HSBC
 * The Cullinan, a residential estate in Hong Kong