古巴西班牙语是西班牙语在美洲的加勒比方言分支。她与周围国家的西班牙语并没有太大的差别。但是在古巴岛内部，存在区域性差别，主要体现在发音和用词上。区域性方言又分为东岛方言与西岛方言。

Cuban Spanish is the variety of the Spanish language as it is spoken in Cuba. As a Caribbean language variety, Cuban Spanish shares a number of features with nearby varieties, including coda deletion, seseo, and /s/ debuccalization ("aspiration").