Rut Castillo Galindo (born 16 September 1990) is a Mexican individual rhythmic gymnast. She represented Mexico at the 2020 Summer Olympics and became the first Mexican, and LGBTQ+ rhythmic gymnast to compete at an Olympic Games. She is the 2021 Pan American all-around champion. At the 2007 Pan American Games, she won the silver medal in hoop and the bronze medals in the all-around and clubs. She is an eight-time Central American and Caribbean Games champion. She has also competed at nine World Championships (2007, 2009, 2010, 2011, 2013, 2014, 2015, 2018, and 2019).