卫星城市，又称卫星都市，是城市规划的一个概念，意指大城市边缘的小型城市，为在大都市工作者主要的居住地。因为如卫星般与大城市相近，故称卫星城市。

现时在香港，卫星城市的概念并不常见，今已统一作「新市镇」。下表只列出早期发展的卫星城市：

星洲占地面积较小，卫星城市按照片区划分。

A satellite town or satellite city is a concept in urban planning that refers essentially to smaller metropolitan areas which are located somewhat near to, but are mostly independent of larger metropolitan areas.