Javert, no first name given in the source novel, is a fictional character and a main antagonist of Victor Hugo's 1862 novel Les Misérables. He was presumably born in 1780 and died on June 7, 1832. First a prison guard, and then a police inspector, his character is defined by his legalist tendencies, authoritarian worldview, and lack of empathy for criminals of all forms. In the novel, he persecutes the protagonist Jean Valjean after his violation of parole and theft from the child Petit Gervais.

{{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