Boris Brejcha (Czech pronunciation: [ˈbrɛjxaː]; born November 26, 1981, in Ludwigshafen am Rhein) is a German DJ and record producer. He describes his music style as "high-tech minimal." His style has been compared with DJ Umek, and Solomun.

Brejcha frequently wears a joker mask based on a Carnival of Venice design. He has performed at clubs and festivals around the world, including Tomorrowland and Coachella. Boris founded the label Fckng Serious in 2015 with Ann Clue and Deniz Bul. He performed for the first time in Ibiza in August 2019, at Hï Ibiza club.

On 24 January 2020, Brejcha released his sixth album Space Diver as his first album for Ultra Records.

In 2021, Brejcha had the 42nd position on DJ Mags Top 100 DJs.