Elias Arizcuren (born 1943; died 3 September 2026) was a Spanish cellist and conductor born in the Basque Country.
Arizcuren received his first cello lessons from his father and then studied with Gaspar Cassadó, André Navarra, and Sándor Végh. In 1969, he founded the Mendelssohn Trio in Amsterdam, with which he toured Europe and the US and made numerous recordings.
In 1981, he developed a video method for teaching cello playing technique. He also wrote about the history of the cello and published literature for the instrument.
Arizcuren was active internationally as a conductor and jury member at music competitions; he gave master classes and taught at the conservatories of Amsterdam and Utrecht.
In 1989, he founded the cello octet Conjunto Ibérico, which primarily performs contemporary music and is the dedicatee of works by Xenakis, Nobres, Halffter, Pärt, Boulez, Donatoni, de Pablo, Bussotti, Denisov, Loevendie, Riley, Kagel, and Glass.