Friedrich Hieronymus Truhn (November 14, 1811 in Elbing – April 30, 1886 in Berlin) was a 19th-century German conductor, composer and music writer who worked mainly in Berlin, Danzig, Elbing and Riga.
He was the son of Hofmarschall Nathanael Truhn and the grandfather of Selma Erdmann-Jesnitzer, born Bethge-Truhn, father of Clara and Anna Marie Elizabeth Truhn.
He was a very special person and a talented composer of numerous songs, several stage works, and also a key organizer in the field of men's choirs.