CAV-1

CAV-1 and similar may refer to:
 * Infectious canine hepatitis, a virus disease of dogs
 * Caveolin 1, a human gene
 * Human genes that encode subunits of the slowly inactivating L-type voltage-dependent calcium channel in skeletal muscle cells:
 * Cav1.1
 * Cav1.2
 * Cav1.3
 * Cav1.4
 * 1CAV is the 1st Cavalry Division (United States)