The prince names here are those chosen by royal families around the world for their little boys over the past decade or so. Your idea of prince names can be expanded to include those used over past generations—Charles and William, say—and to extend to fictional princes such as Phillip or...well, maybe not Charming. 
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Along with Charles and William, other prince names in the US Top 500 include Alexander, Carlos, Emmanuel, Felix, Louis, Magnus, Nikolai, and Pablo. Among the more extravagant recent prince names are Baudouin, Guillaume, Konstantinos, and Valdemar.
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Some of the real little princes have three or four middle names, as used to be custom in the royal families. For more details, see our blog on <a href="http://nameberry.com/blog/2009/04/29/prince-names/">prince names</a>.

Prince Names

Adelio

Adhit

Alexander

Alexios

Amir

Armel

August

Baudouin

Bernhard

Brendan

Brioc

Cadfael

Carlos

Casimir

Christian

Emir

Emmanuel

Ernest

Felipe

Felix

Frederik

Friedrich

Gabriel

George

Geza

Guillaume

Henri

Henrik

Jacques

James

Jefferson

John

Juan

Konstantinos

Leopold

Louis

Lucas

Mael

Magnus

Marius

Maurits

Nicolas

Nikolai

Oscar

Pablo

Philip

Pieter

Princeton

Rajah

Regulus

Richard

Samuel

Stefan

Sverre

Theo

Tymir

Valdemar

Valentin

Vincent

Vladimir

William

Prince Names - names used for their sons by the royal families and for fictional princes, with male royal names given to princes around the world, with origins, meanings, and popularity (All Names)

Prince Names - All Names