Oliver Marc "Olli" Schulz (born 15 October 1973) is a German singer-songwriter, actor and presenter. He became known as a singer and guitarist of the indie rock group Olli Schulz & der Hund Marie and as a sidekick of Joko Winterscheidt and Klaas Heufer-Umlauf in their various TV series, like Circus HalliGalli.

In 2016, Schulz started the TV show Schulz & Böhmermann along with fellow presenter Jan Böhmermann, with whom he also presents the semi-weekly podcast show Fest & Flauschig (Firm & Fluffy) on Spotify. He is also active as a solo musician; his 2015 album, Feelings aus der Asche, peaked at No. 4 in the German album charts, and his 2024 album Vom Rand der Zeit reached No. 1.