||This article needs additional citations for verification. (May 2010)
Ivo Lapenna (Split, 5 November 1909 – Copenhagen, 15 December 1987) was a law professor from Yugoslavia. He was a noted Esperanto speaker and served as the President of the World Esperanto Association between 1964 and 1974. He was highly regarded as an orator in Esperanto, authored a number of books, and was the driving force behind the 1954 Montevideo Resolution in which UNESCO recognized Esperanto.