Sarah Hornung (born April 14, 1996 in Vaud) is a Swiss sport shooter. She won a gold medal in the girls' 10 m air rifle at the 2014 Youth Olympic Games in Nanjing, China, and then collected a silver on her senior debut at the 2015 European Games in Baku, Azerbaijan, securing her a place on the Swiss shooting squad for the 2016 Summer Olympics in Rio de Janeiro. Hornung trains for the shooting team at the sport club Bueren an der Aare in her native Denges under her personal coach Roger Chassat.