Lanao in geography may refer to:
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Lanao (province), defunct province of the Philippines from 1914 to 1959
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Lanao del Norte, present province in the Northern Mindanao region
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Lanao del Sur, present province in the Autonomous Region in Muslim Mindanao (ARMM)
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Lake Lanao, second largest lake in the Philippines
Other
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Legislative district of Lanao, the representation of the former province before it was divided in 1959
