Each Civ and Leader in Civ 6 was designed to favor a particular victory condition. That's not to say any Civ can't win any victory condition which depends on the player (exception is Mvemba and his inability to win a religious victory) but it seems clear the Devs designed Civs and Leaders with particular victory conditions in mind. So onward:
America/Teddy: Cultural
Arabia/Saladin: Science enhanced with Religion
Aztec/Monte: Domination
Brazil/Pedro: Cultural
China/QSH: Cultural
Egypt/Cleo: Cultural
England/Vicky: Cultural (Domination on heavy water maps)
France/Cathy: Cultural
Germany/Fred: Science
Greek/Pericles: Cultural
Greek/Gorgo: Domination
India/Gandhi: Religious
Japan/Hojo: Domination
Kongo/Mvemba:Cultural
Norway/Harold: Religious (Domination on heavy water maps)
Poland/Jadwiga: Domination enhanced wtih Religion
Rome/Trajan: Domination
Russia/Peter: Cultural enhanced with Religion
Scythia/Tomyris: Domination
Spain/Philip: Domination enhanced with Religion
Sumeria: Science
Again, almost all of these Civs/Leaders can win any condition based on the player but this is my quick check sheet on which victory conditions are most favored based on the Civ and Leader bonuses.
America/Teddy: Cultural
Arabia/Saladin: Science enhanced with Religion
Aztec/Monte: Domination
Brazil/Pedro: Cultural
China/QSH: Cultural
Egypt/Cleo: Cultural
England/Vicky: Cultural (Domination on heavy water maps)
France/Cathy: Cultural
Germany/Fred: Science
Greek/Pericles: Cultural
Greek/Gorgo: Domination
India/Gandhi: Religious
Japan/Hojo: Domination
Kongo/Mvemba:Cultural
Norway/Harold: Religious (Domination on heavy water maps)
Poland/Jadwiga: Domination enhanced wtih Religion
Rome/Trajan: Domination
Russia/Peter: Cultural enhanced with Religion
Scythia/Tomyris: Domination
Spain/Philip: Domination enhanced with Religion
Sumeria: Science
Again, almost all of these Civs/Leaders can win any condition based on the player but this is my quick check sheet on which victory conditions are most favored based on the Civ and Leader bonuses.