Every civ is good at any victory typ but there are some civ that have a advantage at some victory
This is a list of all the civs and which victory they have the best advantages in :
America :domination
Dynamic civ but the extra sight is more usefull for domination.
Arabia :Culture
Culture victory because you will have less gold if you have 3 cities bazar helps
Aztec

omination
Domination victory beat you're opponents and get happiness other bonusses from social policies.
China : Domination
Domination better great generals
Egypt :Culture
culture victory can get early key wonders and build wonders in every city
England : science
Some people say but domination But I thinx their units and bonusses are really strong in the defence only the longbowman is good for early conquering So The best way to win is science
France : Domination
Domination victory good units and quick expansionist(liberty) and more social policy happiness
Germany

omination
You can get more units because of the UB and landskneghts are good unit to spam
Greece : Diplomatic
Because you will use a lot of city states you're logical choise for victory is diplomatic but this is one of the dynamic civ pick any victory you want
India : Culture
Culture UA helps when you have smaller empires
Iroquois

omination
The early unit that doesn't require iron can be usefull for domination
Japan :domination
Bushido is really helps at fighting wars
Ottoman : Domination
2 Strong unique units
Persia - Culture /scienice
Because you can get more money if you have less cities more happiness more golden ages. Or you can get massive population because of the happiness
Rome : Domination
Early strong units
Russia - domination
more iron units early on better conquest
Siam - Culture
the city state bonusses and a good defencive unit and university that gives culture
Songhai - Domination
CASH CASH CASH and strong horse units
babylon- science
Great scientist are strong for a science victory
Mongolia - Domination
Keshiks are strong early units.
Spain - Domination
Because they have great units conquistador and tercio's
Inca - diplomatic
You can get a lot of gold from the start to the end because of the low maintainance. In the late game you will see the difference.
Polynesia - Cultural
Because of the unique tile improvement
Denmark - Domination
The unique ability and units.
Korea - Scientific
The unique ability of course and good defencive unit
Lol One thing is for sure in civ 5 there are a lot of civs that are good at domination