Ilya Gringolts (Russian: Илья́ Алекса́ндрович Гринго́льц Il′já Aleksándrovič Gringól′c) born 2 July 1982 in Leningrad (now St. Petersburg) is a violinist and educator.

Gringolts studied violin in St. Petersburg with Tatiana Liberova and Jeanna Metallidi. He then attended the Juilliard School, and studied violin with Itzhak Perlman for 3 years. From 2001 to 2003, Gringolts was a member of the BBC Radio 3 New Generation Artists programme.

Gringolts is currently on the music faculty of the Zürcher Hochschule der Künste. In addition to the modern violin, he has a continued commitment to period-instrument performance. He founded the Gringolts Quartet in 2008 and plays first violin in the quartet. Gringolts plays the "ex-Prové" Stradivarius violin, loaned to him by a private donor.

Gringolts has made commercial recordings for such labels as Onyx and Deutsche Grammophon.

Gringolts is married to the Armenian violinist Anahit Kurtikyan. The couple has three daughters.