Shannon Nishi-Patton (born March 6, 1985) is an American karateka. She won the gold medal in the women's kumite 50kg event at the 2019 Pan American Games held in Lima, Peru. She also won the gold medal in the women's kumite 55kg event at the 2011 Pan American Games in Guadalajara, Mexico.
In 2004, she won one of the bronze medals in the women's kumite 53kg event at the World Karate Championships held in Monterrey, Mexico.
The following year, she competed in the women's kumite 53kg event at the 2005 World Games held in Duisburg, Germany. She was eliminated in the elimination round where she won one out of three matches.