Ambroz Haračić (born Mali Lošinj, 5 December 1855, died Mali Lošinj, 1 October 1916), was a Croatian botanist. Haračić studied mathematics and natural sciences in Vienna. In 1879 he started teaching at Mali Lošinj nautical school, and in 1897 he was transferred to Trieste. He spent 18 years in his hometown conducting meteorological measurements and observations, and based on the results of the research, the Austro-Hungarian government declared Mali Lošinj to be a health resort, which resulted in development of tourism on the island.