GD可以是下列的意思：

• GD-ROM，一种私有的光盘格式。
• .gd，格林纳达的顶级域名。

GD, Gd, or gd may refer to:

• GD Graphics Library for dynamically manipulating images
• GD-ROM, storage media for the Sega Dreamcast
• .gd, the country code top-level domain for Grenada