Horacio Cifuentes (born 16 March 1998) is an Argentine table tennis player. He represented Argentina at the 2020 Summer Olympics in Tokyo, competing in the men's singles event.
Cifuentes has been one of the leading players in Argentine table tennis during the 2010s and 2020s. He achieved a career-high ranking of world No. 66 in February 2020 in the International Table Tennis Federation (ITTF) rankings.
Cifuentes began competing internationally as a junior representing Argentina. He gained prominence in continental competitions, winning multiple medals at the Pan American Table Tennis Championships and the Pan American Games.
At the 2019 Pan American Games in Lima, he won two silver medals in the men's doubles and men's team events. At the 2023 Pan American Games in Santiago, he added two bronze medals in doubles and team competitions.
Throughout his career, Cifuentes has frequently partnered with fellow Argentine player Gastón Alto in doubles events, achieving several continental titles. He has also played professionally in Europe, representing the Amiens Sport Tennis de Table.