Trance denotes any state of awareness or consciousness other than normal waking consciousness. Trance states may occur involuntarily and unbidden.

Not to be confused with RANK, the osteoclast cell-surface receptor that binds to RANKL.

Receptor activator of nuclear factor kappa-B ligand (RANKL), also known as tumor necrosis factor ligand superfamily member 11 (TNFSF11), TNF-related activation-induced cytokine (TRANCE), osteoprotegerin ligand (OPGL), and osteoclast differentiation factor (ODF), is a protein that in humans is encoded by the TNFSF11 gene.

Rankl is a surname. Notable people with the surname include:

• George Rankl, American politician
• Karl Rankl (1898–1968), Austrian-British conductor and composer