Marttinen

Marttinen is a Finnish surname. Notable people with the surname include:


 * Aati Marttinen (born 1997), Finnish footballer
 * Alpo K. Marttinen (1908–1975), Finnish colonel
 * Erkki Marttinen (1926–2004), Finnish swimmer
 * Jyri Marttinen (born 1982), Finnish ice hockey player
 * Matias Marttinen, Finnish politician
 * Tauno Marttinen (1912–2008), Finnish composer