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This review aimed to evaluate the impacts of oil palm-cattle integration systems on food security and environmental sustainability. We reviewed more than 100 papers and selected those that reported the advantages of these systems. Oil palm-cattle integration has been implemented in some Southeast Asian countries, especially in Malaysia and Indonesia, but it is not widely adopted by oil palm plantations. These systems are mainly driven by policies to enhance food security and reduce environmental impacts. Oil palm-cattle integration can contribute to several Sustainable Development Goals, such as (SDG 1 and 2) no poverty and zero hunger, because it allows for more and diverse food production on the same land, and it increases the income per hectare by up to 15% due to higher oil palm yield (up to 4 t FFB/ha) and lower weed control costs (up to 60%) with rotational grazing. It can also support (SDG 6, 12, 13) responsible production and consumption, clean water and sanitation, and climate action, because it can decrease herbicide use, enhance biodiversity (understory and beneficial species), and improve soil quality. Moreover, it can mitigate the risk of indirect land use change associated with deforestation. [ABSTRACT FROM AUTHOR]