哥倫比亞級戰略核潛艇（英文：Columbia class SSBN），是美國的第五代彈道導彈核潛艇，用於替代俄亥俄級戰略核潛艇。
哥倫比亞級戰略核潛艇將是美國海軍有史以來建造的最大潛艇，長171米，寬13米，潛航排水量20810噸。預計總成本約1250億美元，單艇造價約124億-130億美元，其中包括約48億美元的研發費用。
哥倫比亞級戰略核潛艇的研製進展順利，於2017年1月通過了美國裝備採購的“里程碑 B”關鍵節點，即正式批准建造，之後進入了詳細設計和簽署首批建造合同階段，計劃建造12艘，首艇計劃於2021年開工，2028年完成下水，2031年服役並開始作戰值班，於2039年全部建造完成。
The Columbia-class strategic nuclear submarine (English: Columbia class SSBN) is the fifth-generation ballistic missile submarine of the United States, used to replace the Ohio-class strategic nuclear submarine.
The Columbia-class strategic nuclear submarine will be the largest submarine ever built by the U.S. Navy, with a length of 171 meters, a width of 13 meters, and a submersible displacement of 20,810 tons. It is estimated that the total cost is about 125 billion US dollars, and the cost of a single boat is about 12.4 billion to 13 billion US dollars, including about 4.8 billion US dollars of research and development expenses.
The development of the Columbia-class strategic nuclear submarine is progressing smoothly. In January 2017, it passed the "Milestone B" key node of the US equipment procurement, that is, the official approval of construction, and then entered the stage of detailed design and signing of the first batch of construction contracts. It is planned to build 12 ships. The first boat is scheduled to start construction in 2021, be launched in 2028, commissioned and begin operational duty in 2031, and completed in 2039.
