No， Lionel Messi and Neymar are not in the same club. Lionel Messi is currently playing for Spanish football club FC Barcelona， having signed his first professional contract with the club in 2004. He is one of the most decorated players in the history of the club， having won 10 La Liga titles， four UEFA Champions League titles and six Copa del Rey titles.
Neymar， on the other hand， is currently playing for French football club Paris Saint-Germain. He signed a five-year contract with the club in August 2017 and is one of the most expensive footballers in the world.
The two players have played together in the past， having both represented the Brazilian national team in international competitions. However， they are not currently playing in the same club and have not done so since 2017.
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