Hugo Zapałowicz (November 15, 1852 in Ljubljana, Slovenia – November 20, 1917 in Perovsk [now Kyzylorda], Kazakhstan) was a botanist, natural scientist, traveller, and military lawyer.
Zapałowicz was a pioneer researcher of flora and geological structure of the Carpathian Mountains. He was also a geological, geographical and flora researcher of South America and author of works about flora of Babia Góra-Babia Hora, Maramureş Mountains, Pokuttya.
In 1894 he became a member of the Academy of Learning.