Zdenko Sila (Prague, February 2, 1915 - Rijeka, January 25, 1997) was a Croatian architect and urbanist. He was born in Prague to a Slovenian father and Czech mother. During the I. WW they moved to Maribor where Zdenko finished high school. He studied architecture at Joze Plecnik at the Faculty of Engineering in Ljubljana. After that he moved to Rijeka in 1941. There was the Second World War there, and he was mobilized. Later he was in the Partisans, and barely survived.

He worked on the urban plans of Rijeka, Porec, Rovinj, Rapca, Crikvenica, Rab. He was the author of several famous monuments, such as Monument 26 of the frozen partisans and the co-author of the Monument to the Rijeka Liberationists in Rijeka and the Memorial of Trusses in Trsat Park. He also projected a mountain lodge in Snjeznik, one of the most beautiful in Croatia.