Namesakes
Finnish Presidents and Prime Ministers:
1 president, 1 prime minister
(prime minister) Martti Miettunen 1961-1962; 1975-1977 
(president) Martti Ahtisaari 1994-2000
Nobel Prize Winners:
1 peace
(peace) Martti Ahtisaari 2008
Olympic Medalists:
2 bronze
(bronze) Martti Marttelin 1928 marathon
(bronze) Pasi Sormunen (a.k.a. Martti) 1994 ice hockey