Gallardoa is a monotypic genus of flowering plants belonging to the family Malpighiaceae.

The only species is Gallardoa fischeri.

[1] It is native to Argentina.

[1] It is named in honour of Ángel Gallardo (1867–1934), an Argentine civil engineer, natural scientist and politician.

[2] It was first described and published in Physis (Buenos Aires) Vol.2 on page 101 in 1916.