The region’s maritime borders are hotly contested, but on land there’s the real risk of conflict, too. You probably have heard of the South China Sea disputes – a major flashpoint involving China, the Philippines, Vietnam, Malaysia, and Brunei. But the South China Sea isn’t the only dispute threatening to spark a war in Southeast Asia. Stay tuned, because we’re ranking them in order: from the least likely to spark an actual shooting war to the highest risk of conflict. In fact, one of these disputes even flared into a full-blown shooting war in 2025 – and it could happen again at any time.