The Fire HD, also known as Kindle Fire HD in the generations prior to 2014, is a member of the Amazon Fire family of tablet computers. Fire HD refers to Amazon Fire family tablets with HD resolution. The many generations Fire HD subfamily includes: 7" and 8.9", 7", 6" and 7", 8" and 10.1", 8", 8" and 10.1", 8", 10.1", 8", 10.1", 8", 10.1" and 11". These devices run the Fire OS operating system.

The Amazon Fire, formerly called the Kindle Fire, is a line of tablet computers developed by Amazon. Built with Quanta Computer, the Kindle Fire was first released in November 2011, featuring a color 7-inch multi-touch display with IPS technology and running on Fire OS, an Android-based operating system. The Kindle Fire HD followed in September 2012, and the Kindle Fire HDX in September 2013. In September 2014, when the fourth generation was introduced, the name "Kindle" was dropped. In later generations, the Fire tablet is also able to convert into a Smart speaker turning on the "Show Mode" options, which the primary interaction will be by voice command through Alexa.