Debora Seilhamer (born October 4, 1985) is a volleyball player from Ponce, Puerto Rico. Seilhamer made her debut with the Puerto Rico women's national volleyball team at the 2007 Pan American Games in Rio de Janeiro, Brazil. She was named Best Digger at the 2007 NORCECA Championship, where her team ended up in fifth place. Seilhamer played as a libero for the Women's National Team at the 2008 Olympic Qualification Tournament in Japan. There the team ended up in eighth and last place, having received a wild card for the event after Peru and Kenya withdrew. At the 2010 Central American and Caribbean Games, Seilhamer was named Best Digger, Best Libero and MVP of the Tournament. Puerto Rico lost to the Dominican Republic in the gold medal game.