Iivari is a Finnish surname and male given name, related to the name Ivar and derived from the Old Norse Ívarr.
Given name Iivari Kyykoski (1881–1959), Finnish gymnast Iivari Malmikoski (1927–2010), Finnish boxer nickname of Ivar Iivari Partanen (1880–1947), Finnish gymnast Iivari Rötkö (1893–1957), Finnish long-distance runner Iivari Yrjölä (1899–1985), Finnish decathlete
Surname Antti Iivari (born 1992), Finnish ice hockey player Ulpu Iivari (born 1948), Finnish politician
See also Otto-Iivari Meurman, Finnish architect Ivar