Labrum (Latin for "an edge, rim of a vessel") may refer to:
- Labrum (arthropod mouthpart)
- Labrum (architecture), a large water-filled vessel or basin with an overhanging lip
- Labrum (surname), an English surname
- Acetabular labrum, a ring of cartilage that surrounds the acetabulum, the socket of the hip joint
- Glenoid labrum, a lip-like projection of cartilage on the human scapula surrounding the joint between the humerus and the shoulder blade
- Labium (genitalia) or labrum