Sam Hjalmar Rydberg (27 October 1885 – 25 March 1956) was a Swedish composer.
Sam Rydberg was born in Nyköping, Sweden, in 1885.
He started as a military musician at age 13 as a drummer at the Södermanland Regiment.
The instrument he played was soprano cornet.
He composed many types of music but is most known for his marches.