Hermenegildo Cruz (1880–1943) was a Filipino writer and prominent trade union organizer.

Following his retirement in 1935, he served as technical adviser on labor matters to President Manuel L.

[2] A notable literary work of his is Kun Sino ang Kumathâ ng̃ "Florante" [sic] (English: lit.

'), published in 1906, which is cited as "the first attempt to explain Francisco Balagtas by dealing with the poet's biography and the historical context of the poem".

[3] Another work, Kartilyang Makabayan: Mga Tanong at Sagot Ukol Kay Andrés Bonifacio at sa KKK, is a biography of Andrés Bonifacio, the father of the Philippine Revolution and the secret society he founded, the Katipunan.