Roberto Gamarra (born 6 March 1958) is a former Argentine and naturalised Paraguayan professional football midfielder and currently manager.
In 2007, he signed as new coach of Atlético Balboa, replacing Gustavo de Simone.
In March 2011, Gamarra was appointed as new coach of Alianza F.C., replacing Miloš Miljanić.
In March 2016, Gamarra was appointed as coach of FAS, replacing Carlos Martínez.
In April 2017, Gamarra was replaced by assistant coach Álvaro Misael Alfaro.