In areas where tigers and crocodiles coexist, such as parts of India and Southeast Asia, large crocodiles could potentially pose a threat to tigers when they come to drink at water sources.

Crocodiles

Packs of dholes are known to be fierce and cooperative hunters. While they wouldn't typically hunt adult tigers, they might pose a threat to tiger cubs or injured individuals.

Dholes

Although lions and tigers inhabit different continents, there have been instances of captive lions attacking tigers in zoos or other confined spaces where they're housed together.

Lions

Hyenas

In some overlapping territories, hyenas might scavenge tiger kills, and there could be occasional confrontations between the two species.

Leopards

While not common, there have been rare instances of leopards preying on tiger cubs or competing for similar prey.

Large Bears

In areas where tigers and large bear species like brown bears or polar bears coexist, there could potentially be conflicts over food resources.

Pack of Large Carnivores

In some situations, a pack of large carnivores, such as wolves, could potentially overwhelm a weakened or injured tiger.