Marshua (foaled 1962) was an American Thoroughbred racehorse sired by father Nashua out of Emardee, by Heliopolis. Marshua was ranked second in her class of two year-olds. She made 16 starts in 1964 and was in the money 15 times,94% of the time. The highlight of that season was her victory in the prestigious Selima Stakes at Laurel Park Racecorse in Maryland. Having led all the way around the 1-1/16 mile event, she battled Queen Empress through the stretch to win by a fading neck.