Gonçalo Sampaio

Gonçalo António da Silva Ferreira Sampaio (29 March 1865 in São Gens de Calvos – 28 July 1937 in Porto) was a Portuguese botanist.

He studied mathematics at the University of Coimbra and chemistry, mineralogy and botany at the Polytechnic Academy of Porto. From 1890 he served as an assistant naturalist at the Polytechnic Academy. From 1912 to 1935 he was a professor of botany at the faculty of sciences of the University of Porto. In 1923 Sampaio issued the exsiccata Lichenes de Portugal.

As a taxonomist he described around 50 new species of vascular plants, five new species of desmids and about 70 new taxa of lichens that included the genus Carlosia (family Caliciaceae).