Sphex jamaicensis is a species of thread-waisted wasp in the family Sphecidae. It is found in Florida, Cuba (including Isla de la Juventud), The Bahamas, and Jamaica.

ITIS Taxonomic notes:

• Sphex jamaicensis (Drury, 1773) (originally in Vespa) is apparently a senior secondary homonym of Sphex jamaicensis Fabricius, 1775 (though these two have apparently never been treated as congeneric).
• Sphex jamaicensis Fabricius, 1775 is apparently a junior secondary homonym of Sphex jamaicensis (Drury, 1773) (originally in Vespa) (though these two have apparently never been treated as congeneric).

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