Stuart Patrick Jude Zender (born 18 March 1974) is an English bassist. He is best known as a former member of the band Jamiroquai.

Zender was born in Sheffield, England. He comes from a family with a musical background: Zender's father was a musician, his uncle was a flamenco guitarist, and his older sister participated in punk bands. His family relocated to Norristown, Pennsylvania, when Zender was seven years old.