Steinberg is a German musical equipment and software company. It mainly produces MIDI music sequencer software, software synthesizers and digital audio editing tools.

The company was founded in 1984 by Karl Steinberg and Manfred Rürup. Its first product was the MIDI sequencer Steinberg Pro 16 for the Commodore 64. The company has changed name from Steinberg Research to Steinberg Soft- und Hardware GmbH, and was active in the United States for some years as Steinberg North America, Inc. In January 2003, the company was acquired by US firm Pinnacle Systems, within which it operated as an independent company producing its products before being sold to Yamaha in December, 2004.

Cubase is a series of MIDI, music sequencer and digital audio editing computer applications, created by the German firm Steinberg. Its first version, which ran on the Atari ST computer, was released in 1989.