Kelsey Titmarsh (born 27 December 1993) is a Canadian rhythmic gymnast, who competed in the group all-around at the 2012 Olympic Games in London. She is a member of Trillium Rhythmics formally Kalev Rhythmic Gymnastics Club in Vaughan, coached by Svetlana Joukova. She became a member of the Canadian national team in 2005, and senior national athlete in 2009.