No, Cristiano Ronaldo and Neymar are not a team. Cristiano Ronaldo is a professional footballer who currently plays for Juventus in the Italian Serie A and for the Portuguese national team. Neymar is a professional footballer who currently plays for Paris Saint-Germain in the French Ligue 1 and for the Brazilian national team.

Both Ronaldo and Neymar are two of the greatest players in the world and have been successful in various clubs throughout their careers. However, they have never been on the same team and have competed against each other in several competitions.

Ronaldo and Neymar have had rivalries in the past, most notably in the 2017-18 season when the two faced off in the Champions League semi-finals. Ronaldo's Real Madrid was victorious over Neymar's Paris Saint-Germain, and Ronaldo scored a hat-trick in the first leg at the Bernabéu.

In their personal lives, Ronaldo and Neymar have been known to be friends, and have been pictured together on various occasions. They have also collaborated on various business ventures, such as their joint venture with Electronic Arts.

So while Ronaldo and Neymar are not a team, they are two of the greatest players in the world and have achieved tremendous success throughout their careers.

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