Apacer Technology Inc. is a multinational corporation that produces computer memory and memory based products. They manufacture DRAM and flash memory and in the past have made RIMM in cooperation with Rambus. Aside from memory they also produce mp3 players, USB hubs, and memory card readers.

The company was founded in 1997 after its spin off from computer manufacturer Acer. Acer owns 95% of the company. Their headquarters are in Taiwan, and have locations in USA, Japan, India, China, and Europe. In 2006 they became the world's sixth largest branded memory maker.

Apacer's products are known to utilize Engrish as demonstrated by the words, "ABSOLUTE My Style" when powering down their AU581 MP3 player.