Zoltán Blum, also known as Zoltán Virág (3 January 1892 – 25 December 1959) was a Hungarian amateur football (soccer) player who competed in the 1912 Summer Olympics.

Blum was born in Pápa. He was a member of the Hungarian Olympic squad and played two matches in the consolation tournament. He was also part of the team at the 1924 Summer Olympics but did not play. He died in Budapest, aged 67.