Simo can be a Finnish given name (equivalent to Simon) or a Serbian male given name. People named Simo include:
Simo Aalto (born 1960), Finnish stage magicianSimo Boltić (born 1994), Serbian sprint canoerSimo Elaković (born 1940), Serbian philosopher and professorSimo Frangén (born 1963), Finnish TV presenterSimó de Guardiola y Hortoneda, Bishop of Urgel and ex officio Co-Prince of Andorra from 1827 to 1851Simo Halonen, Finnish biathlete in the 1970sSimo Häyhä (1905-2002), Finnish sniper in the Winter War, credited with the most confirmed kills in a major warSimo Krunić (born 1967), Serbian football manager and former playerSimo Kuzmanović (born 1986), Bosnian Serb footballerSimo Lampinen (born 1943), Finnish former rally driverSimo Mälkiä (born 1983), Finnish retired ice hockey defencemanSimo Matavulj (1852–1908), Serbian novelistSimo Nikolić (footballer) (born 1954), Yugoslav former footballerSimo Nikolić (sailor) (1941–2012), Croatian sailorSimo Nurminen (born 1949), Finnish orienteering competitorSimo Paavilainen (born 1944), Finnish architect and former dean and professorSimo Parpola (born 1943), Finnish archaeologist and professorSimo Puupponen (1915-1967), Finnish writer and novelist better known by the pen name AapeliSimo Rundgren (born 1953), Finnish politicianSimo Salminen (born 1932), Finnish comic and actorSimo Saarinen (born 1963), Finnish retired ice hockey defencemanSimo Syrjävaara (born 1943), Finish retired footballer and managerSimo Valakari (born 1973), Finnish football manager and retired playerSimo Vuorilehto (born 1930), Finnish businessman, former Chairman and CEO of Nokia Corporation