Ilja Reijngoud (born 5 July 1972) is a Dutch jazz trombonist, composer, arranger and educator who has played with many renowned artists.

[2] Ilja Reijngoud was born in Leiden in the Netherlands in 1972.

In 1998 he founded the jazz trombone department at the Rotterdam Conservatory (Codarts) with his former teacher Bart van Lier.

He conducts the Codarts Big Band, including an annual performance at the North Sea Jazz Festival with various international guests.

He has taught clinics and workshops in Europe and the United States.