Erkki is a Finnish and Estonian given name (derived from Erik). Notable people with the name include:
Erkki Aaltonen (1910–1990), Finnish composer
Erkki Ala-Könni (1911– 1996), Finnish ethnomusicologist
Erkki Bahovski (born 1970), Estonian journalist
Erkki Ertama (1927-2010), Finnish composer and conductor
Erkki Hartikainen (born 1942), Finnish atheist activist and educator
Erkki Haukipuro (1921- 2001), Finnish politician
Erkki Hautamäki (born 1930), Finnish military major and historian
Erkki Jallai (born 1981), Estonian cross-country skier
Erkki Junkkarinen (1929-2008), Finnish singer
Erkki Kaila (1867–1944), Finnish Lutheran Archbishop of Turku and politician
Erkki Karu (1887–1935), Finnish film director, screenwriter and producer
Erkki Kataja (1924–1969), Finnish track and field athlete and Olympic medalist
Erkki Kerttula (1909–1989), Finnish fencer and Olympic competitor
Erkki Kilpinen (born 1948), Finnish nordic combined skier and Olympic competitor
Erkki Kohvakka (born 1937), Finnish orienteering competitor
Erkki Kokkonen (1938–2008), Finnish film director
Erkki Koiso (1934-2000), Finnish ice hockey player
Erkki Korhonen (born 1956), Finnish pianist, conductor and former director of the Finnish National Opera
Erkki Koskinen (born 1925), Finnish cyclist and Olympic competitor
Erkki Kourula (born 1948), Finnish judge of the International Criminal Court
Erkki Kurenniemi (born 1941), one of the most important characters in the history of Finnish electronic music
Erkki Laine (1957-2009), Finnish ice hockey player and Olympic medalist
Erkki Lehtonen (born 1957), Finnish ice hockey player and Olympic medalist
Erkki Leikola (1900-1986), Finnish politician
Erkki Liikanen (born 1950), Chairman of the Board of the Bank of Finland
Erkki Luuk (born 1971), Estonian writer
Erkki Mallenius (1928-2003), Finnish boxer and Olympic medalist
Erkki Melartin (1875–1937), Finnish composer
Erkki Miinala (born 1986), Finnish goalball player and Olympic medalist
Erkki Nghimtina (born 1948), Namibian politician
Erkki Niemi (born 1962), Finnish high jumper and Olympic competitor
Erkki Nordberg (1946–), Finnish military colonel and historian
Erkki Oja (born 1948), Finnish computer scientist
Erkki Pakkanen (1930-1973), Finnish boxer and Olympic medalist
Erkki Peltonen (1861-1942), Finnish politician
Erkki Penttilä (1932–2005), Finnish wrestler and Olympic medalist
Erkki Pohjanheimo (born 1942), Finnish television producer and director
Erkki Pukka (born ????), Finnish ski-jumper
Erkki Pulliainen (born 1938), Finnish politician
Erkki Pystynen (born 1929), Finnish politician
Erkki Raappana (1893–1962), commander of the 14th Division of the Finnish Army
Erkki Räikkönen (1900– 1961), Finnish nationalist leader
Erkki Rajamäki (born 1978), Finnish ice-hockey player
Erkki Rapo (1946–2004), Finnish amateur autograph collector
Erkki Ruoslahti (born c. 1940), Finnish physician and cancer researcher
Erkki Ruuhinen (born 1943), Finnish graphic designer and artist
Erkki Salmenhaara (1941–2002), Finnish composer and musicologist
Erkki Savolainen (1917–1993), Finnish boxer and Olympic competitor
Erkki Toivanen (1938–2011), Finnish journalist and news presenter
Erkki Tuomioja (born 1946), Minister for Foreign Affairs of Finland
Erkki-Sven Tüür (born 1959), Estonian composer
Erkki Virtanen (born 1952), Finnish politician