Midiman was a music technology company founded in the late 1990s by Tim Ryan, a Caltech-trained engineer with a background in MIDI software development and synthesizer design. The company built its early reputation around affordable hardware for connecting MIDI, audio, and computer equipment, with synchronization devices like the Syncman and Syncman Pro converting between timecode formats for studio use.

The brand became best known for its MIDI interface lineup, particularly the MIDISPORT and Bi-Port families, which established Midiman as a go-to source for project-studio MIDI connectivity. As the company expanded into audio, it released the Flying Cow and Flying Calf A/D and D/A converters and entered the computer audio interface market with the 4-input, 20-bit DMAN 2044.

In 2000, alongside the launch of its Delta Series PCI audio interfaces, Midiman introduced "M-Audio" as the brand for its audio products, and the parent company itself was rebranded as M-Audio in 2002. Many products from the transitional period carry both the Midiman and M-Audio names, and the original Midiman branding remains associated with the company's MIDI interface heritage.

Midiman has 7 products cataloged on Equipboard, including MIDI Interfaces and MIDI Keyboard Controllers. Their gear is featured by 6 artists, with the strongest followings in Electronic, Rock, and Pop. Notable users include Julián Navejas, BT, and Brian Liesegang.