Global climate change is creating major challenges for agriculture in Southeast Asia. This region, which is known for its biodiversity and agricultural production, is very vulnerable to weather fluctuations. Rising temperatures, changes in rainfall patterns, and the frequency of natural disasters such as floods and droughts can threaten food security. One of the significant impacts of climate change is changes in rainfall patterns. In many countries, irregular rains cause uncertainty in planting and harvesting. For example, rice farmers in Vietnam have had to adapt to new cropping patterns to align with changing rainy seasons, potentially reducing expected yields. Apart from that, increasing global temperatures also have a negative impact on plant productivity, especially plants that are sensitive to temperature such as coffee and cocoa. The impact of climate change is also visible in increased drought in some areas. Countries such as Thailand and the Philippines are experiencing reduced water supplies, which is causing stress on plants. Farmers were forced to switch to more efficient irrigation techniques, and in some cases, they had to change the types of crops they grew to suit these new conditions. For example, more corn and soybeans are now planted on land previously planted with rice. In addition, climate change exacerbates the risk of pest and disease attacks. Higher temperatures can increase the population of certain pests and speed up their life cycles. For example, pests such as the brown planthopper in rice are becoming increasingly difficult to control, harming crop yields. This requires farmers to adopt more environmentally friendly and sustainable agricultural practices. Climate-resistant crops are starting to be introduced by various agricultural organizations to help farmers adapt. It is hoped that plant varieties that are more resistant to heat and drought can increase food security while supporting sustainable development. Integrated agricultural technology is also a solution, including the use of precision farming systems and better weather monitoring. Natural disasters such as floods are also becoming more frequent due to climate change, causing huge losses for farmers. In Indonesia, for example, floods that destroyed agricultural land affected thousands of farmers, with impacts felt in the long term. Mitigation efforts such as improving infrastructure and developing policies that are responsive to climate change are very important. In order to address this issue, governments in Southeast Asia are starting to take strategic steps. Training programs for farmers on how to adapt to climate change and agricultural sustainability are urgently needed. In addition, collaboration between the public and private sectors, as well as support from international institutions, will strengthen farmers’ capacity to face future challenges. Overall, the impact of climate change on agriculture in Southeast Asia cannot be underestimated. Appropriate policies and measures must be implemented immediately to protect the agricultural sector and ensure sufficient food availability for the growing population. Rapid and innovative adaptation is key to maintaining food security in the region.