Many of the characters are named after numerals, particularly French numbers. Lady "Une" = One "Duo" Maxwell = Two (Deux) "Trowa" Barton = Three (Trois) "Quatre" Raberba Winner = Four General "Septem" = Seven (Sept) "Treize" Khushrenada = Thirteen "Quinze" Barton = Fifteen "Milliardo" Peacecraft = Billion (Milliard) "Zechs" Merquise = six (German)
Relena Darlian was modeled after actress Audrey Hepburn, while the dress she wears in the latter portion of the series is identical to one worn by Hepburn's character Princess Ann in Roman Holiday (1953).
Scott McNeil thought of the time his wife accidentally ran over his motorcycle to get himself in the proper frame of mind for Duo's infamous scream in episode 20.
The outfit Zechs wears in this series is a modernized version of the one Char wore in the original Mobile Suit Gundam.
Gundam Wing is the first of the Gundam franchise to be released in the United States.