Jiří Karel Herold (16 April 1875 – 13 November 1934) was a Czech violist, music teacher and violinist.

[2] He was the son of the accountant of the Rakovník brewery, pianist and organist Adolf Herold and Marie Knoblochová.

He married Markéta Friedlová, with whom he had sons Jan, Aurel and Jiří, who worked as an opera singer and teacher in Ostrava.

[3] Jiří Herold gained his first teaching experience after his military service as a violin tutor to Princess Fürstenberg, whose family lived at the Leontýn Castle near Křivoklát, in Vienna and in Opatija.

[5] In 2025 the Italian violist Marco Misciagna recorded the world premiere of Jiří Herold's Etudes for viola.