names do not translate if you want to know how to write it ask:- how do i write "name" in japanese? said the same
If you're referring to Wilder as a name (e.g., Gene Wilder), it would be pronounced the same with a Japanese accent and spelled ワイルダー (wairudaa).
Japanese American
Gene Cody's birth name is Gene Eubanks.
Gene Summers's birth name is Deborah Gene Bloxom.
Gene Tierney's birth name is Gene Eliza Tierney.
Gene Rhoden's birth name is Gene David Rhoden.
Gene Wolfe's birth name is Gene Rodman Wolfe.
Gene Biscontini's birth name is Gene Daniel Biscontini.
Gene Atkins's birth name is Gene Reynard Atkins.
Gene Bartow's birth name is B. Gene Bartow.
Gene Mruczkowski's birth name is Gene Vincent Mruczkowski.
Gene Mauch's birth name is Gene William Mauch.