Look up orphan in Wiktionary, the free dictionary.

An orphan is one who has lost both parents.

Orphan(s) or The Orphan(s) may also refer to:

Arts and entertainment

Science and technology

• Orphan disease, a rare disease
• Orphan drug, one developed under the 1983 U.S. Orphan Drug Act for orphan diseases
• Orphan process, a computer process whose parent process has finished
• Orphan receptor, apparent receptor that has a similar structure to other identified receptors but whose endogenous ligand has not yet been identified
• Orphan source, a self-contained radioactive source that is no longer under proper regulatory control
• Orphaned technology, technology that has been abandoned by its original developers

Other uses

• Orphan (car), any marque of motor vehicle built by a manufacturer that has discontinued business entirely
• Orphan (typesetting), the first line of a paragraph appearing at the bottom of a page
• Orphan works, copyrighted works whose holder is hard to find
• Les Orphan (1923–1995), Welsh footballer
• Sirotci or Orphans, a regional faction of Hussites