Orlando (Pena) Yntema (born February 21, 1986) is a Dutch professional baseball pitcher, for the UVV Utrecht in the Dutch Baseball League.
Yntema was born in the Dominican Republic. His Frisian Dutch father worked there as a s diplomat and lives there since 1972 and married a Dominican nurse. After having completed his primary and secondary education in Santo Domingo at age 17 he was signed as an undrafted free agent by the San Francisco Giants in 2003. He played in the Dominican Summer League in 2003 and 2005 and the Arizona League in 2004 and 2006 before missing 2007 with an injury. He played in Class-A in 2008 and 2009 with the Augusta Greenjackets and Salem-Keizer Volcanoes.
He played in the Italian Baseball League in 2010 and then the Dutch Major League in 2011 and 2012.
He also played for the Netherlands national baseball team in the 2010 Intercontinental Cup, 2011 Baseball World Cup and 2013 World Baseball Classic. In 2011 he got the win in the final game of the World Championship final against Cuba. He pitched seven innings and allowed one point scored.