|First Appearance||"The Betrayal"|
|Portrayed By||Justine Miceli|
Nina was a girlfriend to George Costanza and Jerry Seinfeld. Prior to The Betrayal, Jerry and her dated yet they never had sex due to the engrossing conversations they had. George displayed interest in her and made sure it was okay with Jerry. She then dates George. Before the trip to India, Jerry and Nina converse until there is a pause in which they have sex. Jerry does his best to keep it from George who suspects that Elaine knows. George gets Elaine drunk on Schnapps in which she reveals what happened. Nina goes to India with Jerry, Elaine and George for the wedding of Sue Ellen Mischke. George has Nina decide between him or Jerry where she declines them. Nina was only interested in the free trip. She is portrayed by Justine Miceli.