Nelson Strait is the name of a waterway and can refer to:

• Nelson Strait (South Shetland Islands), a sea passage between Robert and Nelson Islands in South Shetland, Antarctica
• Nelson Strait (Chile), a sea passage between islands of the Chilean Archipelago

• Nelson Channel, a sea passage in the South Sandwich Islands, previously known as "Nelson Strait"

This disambiguation page lists articles associated with the title Nelson Strait.
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