The captain of the Nautilus in "Twenty Thousand Leagues Under the Sea" by JulesVerne
"Finding Nemo," Disney Pixar film
Nemo, character on "Everybody Loves Raymond"
"Little Nemo in Slumberland" by Winsor McCay is one of the most exquisitely conceived and drawn strips in the history of the comics, with dazzling, ingenious effects, depicting young Nemo’s weekly visits to the land of dreams. Later made into an animated movie in 1989.
Also a variant spelling of the Scottish surname Nimmo (of unknown origin).