Martti Välimaa (born 27 February 1989 in Imatra) was an American football defensive tackle, for the Dresden Monarchs of the GFL.
He was a member of various elite teams in Europe, such as Dresden Monarchs, Turku Trojans, Seinäjoki Crocodiles and Austrian Cineplexx Blue Devils . He was a member of national team Finland from 2006 till 2010 and the captain of the junior national team from 2006 till 2008.
In 2009, Martti was honoured with an All-star selection in Vaahteraliiga after outstanding season as a Trojan.
In 2012, after helping his team to make it into a GFL semifinals, he announced his retirement from the professional sport.