Sharon Day-Monroe (born June 9, 1985) is an American heptathlete and high jumper. She is the 2011, 2013, and 2014 national heptathlon champion, She is also the 2012-2015 national indoor pentathlon champion. She is the first athlete to win four consecutive national championships in the pentathlon. As a junior athlete, she was the 2003 Pan American Junior champion in the high jump and the following year won the bronze medal at the World Junior Championships.