We don't have the name of person who discovered the Pacific Ocean, however Portuguese Explorer Ferdinand Magellan given name Tepre Pacificum which means Peaceful Sea.
http://answers.ask.com/Science/Other/who_discovered_the...
Vasco Nunez de Balboa and his expedition discovered the Pacific Ocean (at that time called the South Sea) on September 25,... ... ; What was the largest ocean before the Pacific Ocean was discovered? ... ; In what year ...
http://wiki.answers.com/Q/FAQ/6893
Vasco Nunez de Balboa was the European discoverer of the Pacific Ocean and a leading figure among the Spanish explorers. ChaCha!
http://www.chacha.com/question/who-discovered-the-pacif...
Pacific Ocean - Wikipedia, the free encyclopedia
The Pacific Ocean is the largest of the Earth's oceanic divisions. Its name is derived from the Latin name Tepre Pacificum , "peaceful sea", bestowed upon it by the Portuguese explorer Ferdinand M...
en.wikipedia.org/wiki/Pacific_Ocean
Ferdinand Magellan - Wikipedia, the free encyclopedia
Ferdinand Magellan (Portuguese: , ; Spanish: ; Spring 1480 – 27 April 1521) was a maritime navigator and explorer. Ferdinand Magellan was born circa 1480 at Sabrosa, near Vila Real, in the...
en.wikipedia.org/wiki/Ferdinand_Magellan
Balboa led an expedition across Panama looking for gold, but discovered the Pacific Ocean instead. It took 24 days for his group of 190 Spaniards and 1000 natives to cross the 45 miles of jungle. On September 29, 1513 they reached the Pacific Ocean and claimed all the land that touched the Pacific Ocean for Spain.
www.mce.k12tn.net/explorers/spanishexplorers.htm
Irregular news of the messiah under the sea ... For years, vacationers at the Doantno Atoll, a remote island in the middle of the Pacific Ocean have returned home with strange stories. Some have spoken of seeing a large manlike creature swimming under the water.
www.irregulartimes.com/giantunderwaterjesus.html
He claimed the Pacific Ocean and all its shores for Spain, which opened the way for Spanish exploration and conquest along the western coast of South America. But it was the Portuguese explorer, Magellen (not Balboa), who, because its waters seemed so calm, gave this ocean the name "Pacifica" (meaning peaceful).
coloquio.com/famosos/balboa.html
Discoverer of the Pacific Ocean, Balboa began his adventurous life as a member of Bastida's crew. He first settled in Hispañola (present day Dominican Republic and Haiti). ... It took 25 days of hacking their way through the dense jungles of Panama before they gazed upon the vast expanse of the Pacific Ocean.
www.czbrats.com/MiNombre/vnbalboa.htm