José Pérez (fencer)
José Pérez( born 21 February 1958) is a Spanish fencer.
He competed in the individual épée event at the 1980 Summer Olympics.
María José Pérez (athlete)
María José Pérez Moreno( born 12 June 1992) is a Spanish runner competing primarily in the 3000 metres steeplechase.
She represented her country at the 2017 World Championships without qualifying for the final.
Guillermo Pérez (actor)
Guillermo José Pérez Rupérez( born 28 January 1971) is a Venezuelan telenovela actor known for his roles in telenovelas.
Jarmo Alatensiö
Jarmo Alatensiö (9 November 1963 – 23 April 2003) was a Finnish football player.
Alatensiö started his career in Porin Pallo-Toverit (later known as FC Jazz).
He played three seasons in the Finnish top division Mestaruussarja and was signed by Swedish Allsvenskan club IK Brage in 1988.
Two years later Alatensiö returned to Pori and played the rest of his career for PPT/FC Jazz.
He won two Finnish championship titles with FC Jazz in 1993 and 1996.
Jarmo Alatensiö capped 19 times for the Finland national football team.
He made his debut in September 1987 against Yugoslavia and scored his only international goal against Czechoslovakia in January 1988.
After his professional years Alatensiö made a short career as a manager by coaching fourth and second tier clubs FC PoPa and MuSa at his home town Pori.
José Pérez Ferrada
José Eduardo Pérez Ferrada( born 1 September 1985) is a Chilean footballer who plays for the Chilean Primera División side Deportes Puerto Montt as an attacking midfielder.
María José Pérez González
María José Pérez González( born 19 March 1984) is a Spanish footballer who plays for Granadilla Tenerife Sur of Spain's Primera División.
She has also played for the Spain national team.
Miguel Pérez (wrestler)
Miguel José Pérez( April 7, 1937 – July 16, 2005) was a Puerto Rican professional wrestler who was best known for his tag team with Antonino Rocca.
José Pérez (judoka)
José Pérez( born 10 October 1965) is a Puerto Rican judoka.
He competed in the men's half- lightweight event at the 1996 Summer Olympics.
José Pérez Rosa
José O. Pérez Rosa, also known as" Joito", is a Puerto Rican politician from the New Progressive Party( PNP).
Pérez was elected to the Senate of Puerto Rico in 2012.
María José Pérez (volleyball)
María José Pérez González( born 18 March 1988 in Aragua) is a female volleyball player from Venezuela who competed at the 2008 Summer Olympics in Beijing, China.
Her team finished in 11th place.

Question: Did José Pérez Ferrada and Jarmo Alatensiö share the same nationality?
Answer: no