奧利諾科盆地(西班牙語:cuenca del Orinoco;英語:Orinoco basin)是南美洲北端、由東側蓋亞那高地與西側安地斯山脈包圍的盆地地形。奧利諾科盆地涵蓋哥倫比亞東部及委內瑞拉大部分,其上有奧利諾科河流經。

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