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