Robert Villemain
Robert Villemain( January 10, 1924 in Paris, France- September 4, 1984 in Montfermeil, France) was a French boxer.
Villemain defeated Hall of Famers Kid Gavilán and Jake LaMotta during his career.
He lost his Pennsylvania middleweight title to Sugar Ray Robinson in 1950.
Juan López (baseball)
Juan Enrique" Porky" Lopez( born November 12, 1962 in Bayamón, Puerto Rico) is the former bullpen coach for the Cincinnati Reds.
Lopez is also a former bullpen catcher.
Juan Enrique Barrios Rodríguez
Juan Enrique Barrios Rodríguez( born 31 July 1973) is a Mexican politician affiliated with the National Action Party.
As of 2014 he served as Deputy of the LX Legislature of the Mexican Congress representing Nuevo León.
Juan Enrique García
Juan Enrique García Rivas( born April 16, 1970 in Bolívar) is a Venezuelan football striker.
He is the all- time leading goalscorer in the Venezuelan Primera División, and has been league top scorer in five different seasons( also a record).
Juan Enrique Escalas
Juan Enrique Escalas( born 25 March 1964 in Palma de Mallorca) is a former Spanish swimmer who competed in the 1984 Summer Olympics.
He is the son of Rafael Escalas Oliver and Catalina Bestard Planisi and brother of Olympic swimmer Rafael Escalas.
Juan Enrique Hayes
Juan Enrique" Harry" Hayes( January 20, 1891- July 25, 1976) was an Argentine footballer.
He played for Rosario Central( where he won 16 titles) and the Argentine national team.
Quique Estebaranz
Juan Enrique' Quique' Estebaranz López( born 6 October 1965) is a Spanish retired footballer who played as a forward.
He made almost 300 professional appearances during his professional career, during which he represented eight clubs – notably including a La Liga spell with Tenerife.
Juan Enrique Lira
Juan Enrique Lira( 31 December 1927 – 12 March 2007) was a Chilean sports shooter.
He competed at the 1960, 1964 and 1968 Summer Olympics.
Manuel Gavilán
Manuel Gavilán( born 1921; died 8 March 2010) was a Paraguayan football defender who played for Paraguay in the 1950 FIFA World Cup.
He also played for Club Libertad.
Juan Cortada Tirado
Juan Enrique Cortada Tirado( 1864—1937) was a Puerto Rican politician, businessman, and landowner.
He served as a member of the Senate of Puerto Rico from 1917 to 1920.

Question: Do Manuel Gavilán and Juan Enrique Escalas share the same nationality?
Answer: no