John Owen-Jones is a Welsh musical theatre actor and singer, best known for his portrayals of Jean Valjean in Alain Boublil & Claude-Michel Schönberg's Les Misérables and The Phantom in Andrew Lloyd Webber's The Phantom of the Opera.

{{Infobox character | name = Jean Valjean | series = Les Misérables | image = Monsieur Madeleine par Gustave Brion.jpg | image_upright = | alt = | caption = Jean Valjean disguised as Monsieur Madeleine. Illustration by Gustave Brion. | first = | last = | creator = Victor Hugo | portrayer = Gabriel GabrioHarry BaurFredric MarchMichael RennieRichard JordanJean GabinColm WilkinsonNormie RoweGary MorrisDave WillettsLiam NeesonGerard DepardieuHugh JackmanDominic WestAlfie Boe John Owen-Jones Ramin Karimloo Robert MarienAlexander Gemignani Simon GleesonKillian DonnellyKyle Jean-Baptiste Drew SarichSimon BowmanJon RobynsJosh Piterman [[Nick Cartell Milan van Waardenburg]] | voice = | lbl1 = | data1 = | lbl2 = | data2 = | lbl3 = | data3 = | info-hdr = | noinfo = | full_name = Jean Valjean | nickname = Monsieur Leblanc | alias = * Monsieur MadeleineUltime Fauchelevent Urbain Fabre Prisoner 24601 Prisoner 9430