H&H, H and H or HH may refer to:

• H&H Bagels, a New York City bagel store
• H&H Classics, automobile auctioneers
• H&H Restaurant, a Macon, Georgia restaurant
• H&H Shooting Sports, an Oklahoma City shooting range
• Holland & Holland, gun maker
• Howe & Howe Technologies, vehicle fabrication

• The popular name of Boston's Handel and Haydn Society
• Hemoglobin and hematocrit, as a combination blood test
• .240 Holland & Holland Magnum, a centrefire rifle cartridge

This disambiguation page lists articles associated with the title H&H.
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