Tomislav Maretić (born March 3, 1951, Zagreb, Croatia [Yugoslavia]), Croatian haiku poet. A retired physician, he worked at the Zagreb University Hospital for Infectious Diseases and the County Hospital in Čakovec. He was coeditor of the Darko Plažanin Samobor Haiku Miscellany series and served on the editorial staff of Iris. He has received 94 awards for his haiku, and his work is often anthologized and included in international anthologies. Maretić was named one of the European Top 100 most creative haiku authors each year from 2011 to 2019, and he was awarded the Ludbreg Column of Haiku Poets in 2016. He has published four independent haiku collections and a book of renga with Zvonko Petrović and Vladimir Devidé. He lives in Zagreb.